1312295670 has 48 divisors (see below), whose sum is σ = 3899394720. Its totient is φ = 299953152.

The previous prime is 1312295657. The next prime is 1312295681. The reversal of 1312295670 is 765922131.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1040875 + ... + 1042134.

It is an arithmetic number, because the mean of its divisors is an integer number (81237390).

Almost surely, 2^1312295670 is an apocalyptic number.

1312295670 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1312295670 is an abundant number, since it is smaller than the sum of its proper divisors (2587099050).

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

1312295670 is a wasteful number, since it uses less digits than its factorization.

1312295670 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2083029 (or 2083026 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 36.

The square root of 1312295670 is about 36225.6217337950. The cubic root of 1312295670 is about 1094.8229650617.

The spelling of 1312295670 in words is "one billion, three hundred twelve million, two hundred ninety-five thousand, six hundred seventy".