1312886401 has 2 divisors, whose sum is σ = 1312886402. Its totient is φ = 1312886400.

The previous prime is 1312886389. The next prime is 1312886473. The reversal of 1312886401 is 1046882131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1311888400 + 998001 = 36220^2 + 999^2 .

It is a cyclic number.

It is not a de Polignac number, because 1312886401 - 2⁷ = 1312886273 is a prime.

It is not a weakly prime, because it can be changed into another prime (1312886501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656443200 + 656443201.

It is an arithmetic number, because the mean of its divisors is an integer number (656443201).

Almost surely, 2^1312886401 is an apocalyptic number.

It is an amenable number.

1312886401 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312886401 is an equidigital number, since it uses as much as digits as its factorization.

1312886401 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 1312886401 is about 36233.7743134772. The cubic root of 1312886401 is about 1094.9872189107.

The spelling of 1312886401 in words is "one billion, three hundred twelve million, eight hundred eighty-six thousand, four hundred one".