12256516 has 24 divisors (see below), whose sum is σ = 22579200. Its totient is φ = 5810112.

The previous prime is 12256487. The next prime is 12256549. The reversal of 12256516 is 61565221.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11160 + ... + 12208.

It is an arithmetic number, because the mean of its divisors is an integer number (940800).

Almost surely, 2^12256516 is an apocalyptic number.

It is an amenable number.

12256516 is a deficient number, since it is larger than the sum of its proper divisors (10322684).

12256516 is a wasteful number, since it uses less digits than its factorization.

12256516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1203 (or 1201 counting only the distinct ones).

The product of its digits is 3600, while the sum is 28.

The square root of 12256516 is about 3500.9307333908. The cubic root of 12256516 is about 230.5626802871.

The spelling of 12256516 in words is "twelve million, two hundred fifty-six thousand, five hundred sixteen".