12456572 has 6 divisors (see below), whose sum is σ = 21799008. Its totient is φ = 6228284.

The previous prime is 12456539. The next prime is 12456581. The reversal of 12456572 is 27565421.

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 as a sum of consecutive naturals, namely, 1557068 + ... + 1557075.

It is an arithmetic number, because the mean of its divisors is an integer number (3633168).

Almost surely, 2^12456572 is an apocalyptic number.

It is an amenable number.

12456572 is a deficient number, since it is larger than the sum of its proper divisors (9342436).

12456572 is a wasteful number, since it uses less digits than its factorization.

12456572 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3114147 (or 3114145 counting only the distinct ones).

The product of its digits is 16800, while the sum is 32.

The square root of 12456572 is about 3529.3869155988. The cubic root of 12456572 is about 231.8103632655.

The spelling of 12456572 in words is "twelve million, four hundred fifty-six thousand, five hundred seventy-two".