12506756 has 24 divisors (see below), whose sum is σ = 23190720. Its totient is φ = 5889312.

The previous prime is 12506737. The next prime is 12506759. The reversal of 12506756 is 65760521.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (12506759) by changing a digit.

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, 5150 + ... + 7178.

It is an arithmetic number, because the mean of its divisors is an integer number (966280).

Almost surely, 2^12506756 is an apocalyptic number.

It is an amenable number.

12506756 is a deficient number, since it is larger than the sum of its proper divisors (10683964).

12506756 is a wasteful number, since it uses less digits than its factorization.

12506756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2123 (or 2121 counting only the distinct ones).

The product of its (nonzero) digits is 12600, while the sum is 32.

The square root of 12506756 is about 3536.4892195509. The cubic root of 12506756 is about 232.1212455824.

The spelling of 12506756 in words is "twelve million, five hundred six thousand, seven hundred fifty-six".