12504939 has 16 divisors (see below), whose sum is σ = 17689344. Its totient is φ = 7840800.

The previous prime is 12504931. The next prime is 12504941. The reversal of 12504939 is 93940521.

It is not a de Polignac number, because 12504939 - 2³ = 12504931 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12504931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2724 + ... + 5694.

It is an arithmetic number, because the mean of its divisors is an integer number (1105584).

Almost surely, 2^12504939 is an apocalyptic number.

12504939 is a deficient number, since it is larger than the sum of its proper divisors (5184405).

12504939 is a wasteful number, since it uses less digits than its factorization.

12504939 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3058.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 12504939 is about 3536.2323170290. The cubic root of 12504939 is about 232.1100040654.

The spelling of 12504939 in words is "twelve million, five hundred four thousand, nine hundred thirty-nine".