12555970 has 32 divisors (see below), whose sum is σ = 25998336. Its totient is φ = 4276800.

The previous prime is 12555947. The next prime is 12555989. The reversal of 12555970 is 7955521.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12175 + ... + 13165.

It is an arithmetic number, because the mean of its divisors is an integer number (812448).

Almost surely, 2^12555970 is an apocalyptic number.

12555970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12555970 is an abundant number, since it is smaller than the sum of its proper divisors (13442366).

12555970 is a wasteful number, since it uses less digits than its factorization.

12555970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1186.

The product of its (nonzero) digits is 15750, while the sum is 34.

The square root of 12555970 is about 3543.4404185763. The cubic root of 12555970 is about 232.4253122724.

It can be divided in two parts, 1255 and 5970, that added together give a square (7225 = 85²).

The spelling of 12555970 in words is "twelve million, five hundred fifty-five thousand, nine hundred seventy".