diff --git a/lib/core/src/lib/datatable/data/object-datatable-adapter.spec.ts b/lib/core/src/lib/datatable/data/object-datatable-adapter.spec.ts
index 6bdc010f26..58b4506507 100644
--- a/lib/core/src/lib/datatable/data/object-datatable-adapter.spec.ts
+++ b/lib/core/src/lib/datatable/data/object-datatable-adapter.spec.ts
@@ -231,6 +231,21 @@ describe('ObjectDataTableAdapter', () => {
         expect(rows[1].getValue('id')).toBe(1);
     });
 
+    it('should sort by numbers', () => {
+        const adapter = new ObjectDataTableAdapter([
+            { id: 123 },
+            { id: 38 },
+            { id: 50 }
+        ],[{key: 'id'} as DataColumn]);
+
+        adapter.setSorting(new DataSorting('id', 'asc'));
+
+        const rowsAsc = adapter.getRows();
+        expect(rowsAsc[0].getValue('id')).toBe(38);
+        expect(rowsAsc[1].getValue('id')).toBe(50);
+        expect(rowsAsc[2].getValue('id')).toBe(123);
+    });
+
     it('should be sorting undefined if no sortable found', () => {
         const adapter = new ObjectDataTableAdapter(
             [
diff --git a/lib/core/src/lib/datatable/data/object-datatable-adapter.ts b/lib/core/src/lib/datatable/data/object-datatable-adapter.ts
index 665946d8ae..3cbdc5cae4 100644
--- a/lib/core/src/lib/datatable/data/object-datatable-adapter.ts
+++ b/lib/core/src/lib/datatable/data/object-datatable-adapter.ts
@@ -131,22 +131,27 @@ export class ObjectDataTableAdapter implements DataTableAdapter {
         if (sorting && sorting.key) {
             this._rows.sort((a: DataRow, b: DataRow) => {
                 let left = a.getValue(sorting.key);
-                if (left) {
-                    left = (left instanceof Date) ? left.valueOf().toString() : left.toString();
-                } else {
-                    left = '';
-                }
-
                 let right = b.getValue(sorting.key);
-                if (right) {
-                    right = (right instanceof Date) ? right.valueOf().toString() : right.toString();
-                } else {
-                    right = '';
-                }
 
-                return sorting.direction === 'asc'
-                    ? left.localeCompare(right)
-                    : right.localeCompare(left);
+                if (typeof left === 'number' && typeof right === 'number') {
+                    return sorting.direction === 'asc' ? left - right : right - left;
+                } else {
+                    if (left) {
+                        left = (left instanceof Date) ? left.valueOf().toString() : left.toString();
+                    } else {
+                        left = '';
+                    }
+
+                    if (right) {
+                        right = (right instanceof Date) ? right.valueOf().toString() : right.toString();
+                    } else {
+                        right = '';
+                    }
+
+                    return sorting.direction === 'asc'
+                        ? left.localeCompare(right)
+                        : right.localeCompare(left);
+                }
             });
         }
     }