12938625 has 96 divisors (see below), whose sum is σ = 28035072. Its totient is φ = 5616000.

The previous prime is 12938623. The next prime is 12938663. The reversal of 12938625 is 52683921.

12938625 is a `hidden beast` number, since 1 + 29 + 3 + 8 + 625 = 666.

It is not a de Polignac number, because 12938625 - 2¹ = 12938623 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12938625.

It is not an unprimeable number, because it can be changed into a prime (12938623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 244099 + ... + 244151.

It is an arithmetic number, because the mean of its divisors is an integer number (292032).

Almost surely, 2^12938625 is an apocalyptic number.

12938625 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12938625 is an abundant number, since it is smaller than the sum of its proper divisors (15096447).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12938625 is a wasteful number, since it uses less digits than its factorization.

12938625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 112 (or 99 counting only the distinct ones).

The product of its digits is 25920, while the sum is 36.

The square root of 12938625 is about 3597.0300248955. The cubic root of 12938625 is about 234.7628511510.

The spelling of 12938625 in words is "twelve million, nine hundred thirty-eight thousand, six hundred twenty-five".