12604313 has 2 divisors, whose sum is σ = 12604314. Its totient is φ = 12604312.

The previous prime is 12604303. The next prime is 12604337. The reversal of 12604313 is 31340621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12581209 + 23104 = 3547^2 + 152^2 .

It is a cyclic number.

It is not a de Polignac number, because 12604313 - 2⁸ = 12604057 is a prime.

It is not a weakly prime, because it can be changed into another prime (12604303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6302156 + 6302157.

It is an arithmetic number, because the mean of its divisors is an integer number (6302157).

Almost surely, 2^12604313 is an apocalyptic number.

It is an amenable number.

12604313 is a deficient number, since it is larger than the sum of its proper divisors (1).

12604313 is an equidigital number, since it uses as much as digits as its factorization.

12604313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 12604313 is about 3550.2553429296. The cubic root of 12604313 is about 232.7232249302.

Adding to 12604313 its reverse (31340621), we get a palindrome (43944934).

The spelling of 12604313 in words is "twelve million, six hundred four thousand, three hundred thirteen".