12556027 has 8 divisors (see below), whose sum is σ = 13731840. Its totient is φ = 11385960.

The previous prime is 12555997. The next prime is 12556039. The reversal of 12556027 is 72065521.

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 12556027 - 2²³ = 4167419 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12555986 and 12556004.

It is not an unprimeable number, because it can be changed into a prime (12556067) 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, 4078 + ... + 6460.

It is an arithmetic number, because the mean of its divisors is an integer number (1716480).

Almost surely, 2^12556027 is an apocalyptic number.

12556027 is a deficient number, since it is larger than the sum of its proper divisors (1175813).

12556027 is a wasteful number, since it uses less digits than its factorization.

12556027 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2873.

The product of its (nonzero) digits is 4200, while the sum is 28.

The square root of 12556027 is about 3543.4484615978. The cubic root of 12556027 is about 232.4256639836.

The spelling of 12556027 in words is "twelve million, five hundred fifty-six thousand, twenty-seven".