1312343592 has 64 divisors (see below), whose sum is σ = 3759628800. Its totient is φ = 373947840.

The previous prime is 1312343587. The next prime is 1312343597. The reversal of 1312343592 is 2953432131.

It is an interprime number because it is at equal distance from previous prime (1312343587) and next prime (1312343597).

It is not an unprimeable number, because it can be changed into a prime (1312343597) 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 15 ways as a sum of consecutive naturals, for example, 53367 + ... + 73977.

It is an arithmetic number, because the mean of its divisors is an integer number (58744200).

Almost surely, 2^1312343592 is an apocalyptic number.

1312343592 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1312343592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1879814400).

1312343592 is an abundant number, since it is smaller than the sum of its proper divisors (2447285208).

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

1312343592 is a wasteful number, since it uses less digits than its factorization.

1312343592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21006 (or 21002 counting only the distinct ones).

The product of its digits is 19440, while the sum is 33.

The square root of 1312343592 is about 36226.2831656796. The cubic root of 1312343592 is about 1094.8362916995.

The spelling of 1312343592 in words is "one billion, three hundred twelve million, three hundred forty-three thousand, five hundred ninety-two".