12512872 has 16 divisors (see below), whose sum is σ = 24034500. Its totient is φ = 6103680.

The previous prime is 12512839. The next prime is 12512881. The reversal of 12512872 is 27821521.

It can be written as a sum of positive squares in 2 ways, for example, as 12489156 + 23716 = 3534^2 + 154^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12512872.

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, 18747 + ... + 19402.

Almost surely, 2^12512872 is an apocalyptic number.

It is an amenable number.

12512872 is a deficient number, since it is larger than the sum of its proper divisors (11521628).

12512872 is a wasteful number, since it uses less digits than its factorization.

12512872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38196 (or 38192 counting only the distinct ones).

The product of its digits is 2240, while the sum is 28.

The square root of 12512872 is about 3537.3538132338. The cubic root of 12512872 is about 232.1590763940.

The spelling of 12512872 in words is "twelve million, five hundred twelve thousand, eight hundred seventy-two".