12522712 has 32 divisors (see below), whose sum is σ = 24428880. Its totient is φ = 6013440.

The previous prime is 12522707. The next prime is 12522721. The reversal of 12522712 is 21722521.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 23683 + ... + 24205.

Almost surely, 2^12522712 is an apocalyptic number.

It is an amenable number.

12522712 is a deficient number, since it is larger than the sum of its proper divisors (11906168).

12522712 is a wasteful number, since it uses less digits than its factorization.

12522712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 643 (or 639 counting only the distinct ones).

The product of its digits is 560, while the sum is 22.

The square root of 12522712 is about 3538.7444100980. The cubic root of 12522712 is about 232.2199163235.

The spelling of 12522712 in words is "twelve million, five hundred twenty-two thousand, seven hundred twelve".