1312358912 has 30 divisors (see below), whose sum is σ = 2623793469. Its totient is φ = 655769600.

The previous prime is 1312358903. The next prime is 1312358921. The reversal of 1312358912 is 2198532131.

It is a powerful number, because all its prime factors have an exponent greater than 1 and also an Achilles number because it is not a perfect power.

It is an interprime number because it is at equal distance from previous prime (1312358903) and next prime (1312358921).

It can be written as a sum of positive squares in 2 ways, for example, as 721674496 + 590684416 = 26864^2 + 24304^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=25616.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 818912 + ... + 820512.

Almost surely, 2^1312358912 is an apocalyptic number.

It is an amenable number.

1312358912 is a deficient number, since it is larger than the sum of its proper divisors (1311434557).

1312358912 is an frugal number, since it uses more digits than its factorization.

1312358912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3220 (or 1603 counting only the distinct ones).

The product of its digits is 12960, while the sum is 35.

The square root of 1312358912 is about 36226.4946137492. The cubic root of 1312358912 is about 1094.8405519727.

The spelling of 1312358912 in words is "one billion, three hundred twelve million, three hundred fifty-eight thousand, nine hundred twelve".