1312410399 has 8 divisors (see below), whose sum is σ = 1810221360. Its totient is φ = 844769856.

The previous prime is 1312410361. The next prime is 1312410409. The reversal of 1312410399 is 9930142131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1312410399 - 2⁹ = 1312409887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312410299) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7542502 + ... + 7542675.

It is an arithmetic number, because the mean of its divisors is an integer number (226277670).

Almost surely, 2^1312410399 is an apocalyptic number.

1312410399 is a deficient number, since it is larger than the sum of its proper divisors (497810961).

1312410399 is a wasteful number, since it uses less digits than its factorization.

1312410399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15085209.

The product of its (nonzero) digits is 5832, while the sum is 33.

The square root of 1312410399 is about 36227.2052330842. The cubic root of 1312410399 is about 1094.8548695292.

The spelling of 1312410399 in words is "one billion, three hundred twelve million, four hundred ten thousand, three hundred ninety-nine".