12556460 has 24 divisors (see below), whose sum is σ = 30135840. Its totient is φ = 4305024.

The previous prime is 12556441. The next prime is 12556463. The reversal of 12556460 is 6465521.

It is not an unprimeable number, because it can be changed into a prime (12556463) 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, 44705 + ... + 44984.

It is an arithmetic number, because the mean of its divisors is an integer number (1255660).

Almost surely, 2^12556460 is an apocalyptic number.

12556460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12556460 is an abundant number, since it is smaller than the sum of its proper divisors (17579380).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12556460 is a wasteful number, since it uses less digits than its factorization.

12556460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 89705 (or 89703 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 29.

The square root of 12556460 is about 3543.5095597444. The cubic root of 12556460 is about 232.4283357192.

The spelling of 12556460 in words is "twelve million, five hundred fifty-six thousand, four hundred sixty".