12555588 has 24 divisors (see below), whose sum is σ = 31020192. Its totient is φ = 3938944.

The previous prime is 12555581. The next prime is 12555593. The reversal of 12555588 is 88555521.

It is a plaindrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (12555581) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30570 + ... + 30977.

It is an arithmetic number, because the mean of its divisors is an integer number (1292508).

Almost surely, 2^12555588 is an apocalyptic number.

It is an amenable number.

12555588 is an abundant number, since it is smaller than the sum of its proper divisors (18464604).

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

12555588 is a wasteful number, since it uses less digits than its factorization.

12555588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61571 (or 61569 counting only the distinct ones).

The product of its digits is 80000, while the sum is 39.

The square root of 12555588 is about 3543.3865157502. The cubic root of 12555588 is about 232.4229551634.

The spelling of 12555588 in words is "twelve million, five hundred fifty-five thousand, five hundred eighty-eight".