12556085 has 16 divisors (see below), whose sum is σ = 15828480. Its totient is φ = 9549120.

The previous prime is 12556067. The next prime is 12556087. The reversal of 12556085 is 58065521.

It is not a de Polignac number, because 12556085 - 2¹⁴ = 12539701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12556087) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8459 + ... + 9831.

It is an arithmetic number, because the mean of its divisors is an integer number (989280).

Almost surely, 2^12556085 is an apocalyptic number.

It is an amenable number.

12556085 is a deficient number, since it is larger than the sum of its proper divisors (3272395).

12556085 is a wasteful number, since it uses less digits than its factorization.

12556085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1468.

The product of its (nonzero) digits is 12000, while the sum is 32.

The square root of 12556085 is about 3543.4566457063. The cubic root of 12556085 is about 232.4260218640.

The spelling of 12556085 in words is "twelve million, five hundred fifty-six thousand, eighty-five".