12556246 has 16 divisors (see below), whose sum is σ = 20013840. Its totient is φ = 5896800.

The previous prime is 12556241. The next prime is 12556253. The reversal of 12556246 is 64265521.

It is a super-2 number, since 2×12556246² = 315318627225032, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12556241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 780 + ... + 5071.

It is an arithmetic number, because the mean of its divisors is an integer number (1250865).

Almost surely, 2^12556246 is an apocalyptic number.

12556246 is a deficient number, since it is larger than the sum of its proper divisors (7457594).

12556246 is a wasteful number, since it uses less digits than its factorization.

12556246 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5919.

The product of its digits is 14400, while the sum is 31.

The square root of 12556246 is about 3543.4793635634. The cubic root of 12556246 is about 232.4270152848.

The spelling of 12556246 in words is "twelve million, five hundred fifty-six thousand, two hundred forty-six".