1312304568 has 16 divisors (see below), whose sum is σ = 3280761480. Its totient is φ = 437434848.

The previous prime is 1312304503. The next prime is 1312304569. The reversal of 1312304568 is 8654032131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312304569) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27339655 + ... + 27339702.

Almost surely, 2^1312304568 is an apocalyptic number.

It is an amenable number.

1312304568 is an abundant number, since it is smaller than the sum of its proper divisors (1968456912).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1312304568 is a wasteful number, since it uses less digits than its factorization.

1312304568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54679366 (or 54679362 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 1312304568 is about 36225.7445472139. The cubic root of 1312304568 is about 1094.8254395327.

Adding to 1312304568 its reverse (8654032131), we get a palindrome (9966336699).

The spelling of 1312304568 in words is "one billion, three hundred twelve million, three hundred four thousand, five hundred sixty-eight".