12516725 has 24 divisors (see below), whose sum is σ = 17603040. Its totient is φ = 8752320.

The previous prime is 12516703. The next prime is 12516737. The reversal of 12516725 is 52761521.

It is a de Polignac number, because none of the positive numbers 2^k-12516725 is a prime.

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, 5162 + ... + 7188.

It is an arithmetic number, because the mean of its divisors is an integer number (733460).

Almost surely, 2^12516725 is an apocalyptic number.

It is an amenable number.

12516725 is a deficient number, since it is larger than the sum of its proper divisors (5086315).

12516725 is a wasteful number, since it uses less digits than its factorization.

12516725 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2069 (or 2064 counting only the distinct ones).

The product of its digits is 4200, while the sum is 29.

The square root of 12516725 is about 3537.8983874611. The cubic root of 12516725 is about 232.1829029816.

The spelling of 12516725 in words is "twelve million, five hundred sixteen thousand, seven hundred twenty-five".