No problem, we've got 5287 and 2629 to multiply
5287 × 2629 = 2629 × (5287)
+ 2629 × 7 resulting in 18403
+ 2629 × 80 yielding 210320
+ 2629 × 200 that equals 525800
+ 2629 × 5000 which equals 13145000

= 13899523
