12503525 has 12 divisors (see below), whose sum is σ = 15561504. Its totient is φ = 9966000.

The previous prime is 12503489. The next prime is 12503549. The reversal of 12503525 is 52530521.

It is not a de Polignac number, because 12503525 - 2⁶ = 12503461 is a prime.

It is a super-3 number, since 3×12503525³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12503525.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7520 + ... + 9030.

It is an arithmetic number, because the mean of its divisors is an integer number (1296792).

Almost surely, 2^12503525 is an apocalyptic number.

It is an amenable number.

12503525 is a deficient number, since it is larger than the sum of its proper divisors (3057979).

12503525 is a wasteful number, since it uses less digits than its factorization.

12503525 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1852 (or 1847 counting only the distinct ones).

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 12503525 is about 3536.0323810735. The cubic root of 12503525 is about 232.1012550978.

The spelling of 12503525 in words is "twelve million, five hundred three thousand, five hundred twenty-five".