1312370656 has 24 divisors (see below), whose sum is σ = 2591197560. Its totient is φ = 654288768.

The previous prime is 1312370617. The next prime is 1312370659. The reversal of 1312370656 is 6560732131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312370659) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47991 + ... + 70198.

It is an arithmetic number, because the mean of its divisors is an integer number (107966565).

Almost surely, 2^1312370656 is an apocalyptic number.

1312370656 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1312370656 is a deficient number, since it is larger than the sum of its proper divisors (1278826904).

1312370656 is a wasteful number, since it uses less digits than its factorization.

1312370656 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118546 (or 118538 counting only the distinct ones).

The product of its (nonzero) digits is 22680, while the sum is 34.

The square root of 1312370656 is about 36226.6567046974. The cubic root of 1312370656 is about 1094.8438177890.

The spelling of 1312370656 in words is "one billion, three hundred twelve million, three hundred seventy thousand, six hundred fifty-six".