12521488 has 20 divisors (see below), whose sum is σ = 27726400. Its totient is φ = 5366304.

The previous prime is 12521479. The next prime is 12521501. The reversal of 12521488 is 88412521.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55788 + ... + 56011.

It is an arithmetic number, because the mean of its divisors is an integer number (1386320).

Almost surely, 2^12521488 is an apocalyptic number.

It is an amenable number.

12521488 is an abundant number, since it is smaller than the sum of its proper divisors (15204912).

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

12521488 is a wasteful number, since it uses less digits than its factorization.

12521488 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 111814 (or 111808 counting only the distinct ones).

The product of its digits is 5120, while the sum is 31.

The square root of 12521488 is about 3538.5714631755. The cubic root of 12521488 is about 232.2123501658.

The spelling of 12521488 in words is "twelve million, five hundred twenty-one thousand, four hundred eighty-eight".