12506812 has 12 divisors (see below), whose sum is σ = 21917896. Its totient is φ = 6244560.

The previous prime is 12506783. The next prime is 12506821. The reversal of 12506812 is 21860521.

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, 1762 + ... + 5302.

Almost surely, 2^12506812 is an apocalyptic number.

It is an amenable number.

12506812 is a deficient number, since it is larger than the sum of its proper divisors (9411084).

12506812 is a wasteful number, since it uses less digits than its factorization.

12506812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4428 (or 4426 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 25.

The square root of 12506812 is about 3536.4971369987. The cubic root of 12506812 is about 232.1215920290.

The spelling of 12506812 in words is "twelve million, five hundred six thousand, eight hundred twelve".