12555472 has 10 divisors (see below), whose sum is σ = 24326258. Its totient is φ = 6277728.

The previous prime is 12555467. The next prime is 12555479. The reversal of 12555472 is 27455521.

It can be written as a sum of positive squares in only one way, i.e., 11587216 + 968256 = 3404^2 + 984^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12555479) 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 as a sum of consecutive naturals, namely, 392343 + ... + 392374.

Almost surely, 2^12555472 is an apocalyptic number.

It is an amenable number.

12555472 is a deficient number, since it is larger than the sum of its proper divisors (11770786).

12555472 is an equidigital number, since it uses as much as digits as its factorization.

12555472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784725 (or 784719 counting only the distinct ones).

The product of its digits is 14000, while the sum is 31.

The square root of 12555472 is about 3543.3701471904. The cubic root of 12555472 is about 232.4222393827.

The spelling of 12555472 in words is "twelve million, five hundred fifty-five thousand, four hundred seventy-two".