Alright, let's work through 1621 times 8653 step by step
1621 × 8653 = 8653 × (1621)
+ 8653 × 1 producing 8653
+ 8653 × 20 what gives us 173060
+ 8653 × 600 that equals 5191800
+ 8653 × 1000 giving us 8653000

= 14026513
