1312317404 has 12 divisors (see below), whose sum is σ = 2296912128. Its totient is φ = 656056800.

The previous prime is 1312317361. The next prime is 1312317421. The reversal of 1312317404 is 4047132131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8549 + ... + 51939.

It is an arithmetic number, because the mean of its divisors is an integer number (191409344).

Almost surely, 2^1312317404 is an apocalyptic number.

It is an amenable number.

1312317404 is a deficient number, since it is larger than the sum of its proper divisors (984594724).

1312317404 is a wasteful number, since it uses less digits than its factorization.

1312317404 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50956 (or 50954 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 26.

The square root of 1312317404 is about 36225.9217136017. The cubic root of 1312317404 is about 1094.8290091139.

Adding to 1312317404 its reverse (4047132131), we get a palindrome (5359449535).

The spelling of 1312317404 in words is "one billion, three hundred twelve million, three hundred seventeen thousand, four hundred four".