12604079 has 4 divisors (see below), whose sum is σ = 12611520. Its totient is φ = 12596640.

The previous prime is 12604061. The next prime is 12604099. The reversal of 12604079 is 97040621.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12604079 - 2⁸ = 12603823 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12604019) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194 + ... + 5024.

It is an arithmetic number, because the mean of its divisors is an integer number (3152880).

Almost surely, 2^12604079 is an apocalyptic number.

12604079 is a deficient number, since it is larger than the sum of its proper divisors (7441).

12604079 is an equidigital number, since it uses as much as digits as its factorization.

12604079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7440.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 12604079 is about 3550.2223874005. Note that the first 3 decimals coincide. The cubic root of 12604079 is about 232.7217847466.

The spelling of 12604079 in words is "twelve million, six hundred four thousand, seventy-nine".