1312051377 has 32 divisors (see below), whose sum is σ = 2164019200. Its totient is φ = 688564800.

The previous prime is 1312051361. The next prime is 1312051417. The reversal of 1312051377 is 7731502131.

It is not a de Polignac number, because 1312051377 - 2⁴ = 1312051361 is a prime.

It is a super-2 number, since 2×1312051377² = 3442957631775192258, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1312051277) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42252 + ... + 66402.

It is an arithmetic number, because the mean of its divisors is an integer number (67625600).

Almost surely, 2^1312051377 is an apocalyptic number.

It is an amenable number.

1312051377 is a deficient number, since it is larger than the sum of its proper divisors (851967823).

1312051377 is a wasteful number, since it uses less digits than its factorization.

1312051377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24373.

The product of its (nonzero) digits is 4410, while the sum is 30.

The square root of 1312051377 is about 36222.2497506712. The cubic root of 1312051377 is about 1094.7550245330.

The spelling of 1312051377 in words is "one billion, three hundred twelve million, fifty-one thousand, three hundred seventy-seven".