12511925 has 24 divisors (see below), whose sum is σ = 16171584. Its totient is φ = 9596160.

The previous prime is 12511909. The next prime is 12511951. The reversal of 12511925 is 52911521.

It is not a de Polignac number, because 12511925 - 2⁴ = 12511909 is a prime.

It is a Smith number, since the sum of its digits (26) coincides with the sum of the digits of its prime factors.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12511894 and 12511903.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 110669 + ... + 110781.

It is an arithmetic number, because the mean of its divisors is an integer number (673816).

Almost surely, 2^12511925 is an apocalyptic number.

It is an amenable number.

12511925 is a deficient number, since it is larger than the sum of its proper divisors (3659659).

12511925 is a wasteful number, since it uses less digits than its factorization.

12511925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 269 (or 264 counting only the distinct ones).

The product of its digits is 900, while the sum is 26.

The square root of 12511925 is about 3537.2199535794. The cubic root of 12511925 is about 232.1532194867.

The spelling of 12511925 in words is "twelve million, five hundred eleven thousand, nine hundred twenty-five".