12556043 has 8 divisors (see below), whose sum is σ = 13292400. Its totient is φ = 11839968.

The previous prime is 12556039. The next prime is 12556067. The reversal of 12556043 is 34065521.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12556043 - 2² = 12556039 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12556543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3788 + ... + 6281.

It is an arithmetic number, because the mean of its divisors is an integer number (1661550).

Almost surely, 2^12556043 is an apocalyptic number.

12556043 is a deficient number, since it is larger than the sum of its proper divisors (736357).

12556043 is a wasteful number, since it uses less digits than its factorization.

12556043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10141.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 12556043 is about 3543.4507192848. The cubic root of 12556043 is about 232.4257627093.

The spelling of 12556043 in words is "twelve million, five hundred fifty-six thousand, forty-three".