12537812 has 12 divisors (see below), whose sum is σ = 25075680. Its totient is φ = 5373336.

The previous prime is 12537809. The next prime is 12537827. The reversal of 12537812 is 21873521.

12537812 is an admirable number.

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, 223862 + ... + 223917.

It is an arithmetic number, because the mean of its divisors is an integer number (2089640).

Almost surely, 2^12537812 is an apocalyptic number.

It is an amenable number.

12537812 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12537812 is a wasteful number, since it uses less digits than its factorization.

12537812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447790 (or 447788 counting only the distinct ones).

The product of its digits is 3360, while the sum is 29.

The square root of 12537812 is about 3540.8772924234. The cubic root of 12537812 is about 232.3132164617.

It can be divided in two parts, 12 and 537812, that added together give a 5-th power (537824 = 14⁵).

The spelling of 12537812 in words is "twelve million, five hundred thirty-seven thousand, eight hundred twelve".