12555244 has 24 divisors (see below), whose sum is σ = 23955120. Its totient is φ = 5722944.

The previous prime is 12555241. The next prime is 12555281. The reversal of 12555244 is 44255521.

It is not an unprimeable number, because it can be changed into a prime (12555241) 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, 2862 + ... + 5770.

It is an arithmetic number, because the mean of its divisors is an integer number (998130).

Almost surely, 2^12555244 is an apocalyptic number.

It is an amenable number.

12555244 is a deficient number, since it is larger than the sum of its proper divisors (11399876).

12555244 is a wasteful number, since it uses less digits than its factorization.

12555244 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3009 (or 3007 counting only the distinct ones).

The product of its digits is 8000, while the sum is 28.

The square root of 12555244 is about 3543.3379742836. The cubic root of 12555244 is about 232.4208324903.

The spelling of 12555244 in words is "twelve million, five hundred fifty-five thousand, two hundred forty-four".