12925625 has 10 divisors (see below), whose sum is σ = 16152642. Its totient is φ = 10340000.

The previous prime is 12925589. The next prime is 12925631. The reversal of 12925625 is 52652921.

It can be written as a sum of positive squares in 5 ways, for example, as 8133904 + 4791721 = 2852^2 + 2189^2 .

It is not a de Polignac number, because 12925625 - 2⁸ = 12925369 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12925591 and 12925600.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 9716 + ... + 10965.

Almost surely, 2^12925625 is an apocalyptic number.

It is an amenable number.

12925625 is a deficient number, since it is larger than the sum of its proper divisors (3227017).

12925625 is an frugal number, since it uses more digits than its factorization.

12925625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20701 (or 20686 counting only the distinct ones).

The product of its digits is 10800, while the sum is 32.

The square root of 12925625 is about 3595.2225244065. Note that the first 3 decimals coincide. The cubic root of 12925625 is about 234.6841993167.

The spelling of 12925625 in words is "twelve million, nine hundred twenty-five thousand, six hundred twenty-five".