It is an automorphic number since its square, 166168212890625, ends in 12890625.
It is a trimorphic number since its cube, 2142012119293212890625, ends in 12890625.
Almost surely, 212890625 is an apocalyptic number.
12890625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.
It is an amenable number.
12890625 is an frugal number, since it uses more digits than its factorization.
12890625 is an evil number, because the sum of its binary digits is even.
The square root of 12890625 is about 3590.3516540863. The cubic root of 12890625 is about 234.4721819209.
Multiplying 12890625 by its sum of digits (33), we get a square (425390625 = 206252).
12890625 divided by its sum of digits (33) gives a 8-th power (390625 = 58).
The spelling of 12890625 in words is "twelve million, eight hundred ninety thousand, six hundred twenty-five".