1312924260 has 24 divisors (see below), whose sum is σ = 3676188096. Its totient is φ = 350113120.

The previous prime is 1312924247. The next prime is 1312924303. The reversal of 1312924260 is 624292131.

It is a super-2 number, since 2×1312924260² = 3447540224993095200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10940976 + ... + 10941095.

It is an arithmetic number, because the mean of its divisors is an integer number (153174504).

Almost surely, 2^1312924260 is an apocalyptic number.

1312924260 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1312924260 is an abundant number, since it is smaller than the sum of its proper divisors (2363263836).

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

1312924260 is a wasteful number, since it uses less digits than its factorization.

1312924260 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21882083 (or 21882081 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1312924260 is about 36234.2967366555. The cubic root of 1312924260 is about 1094.9977439957.

The spelling of 1312924260 in words is "one billion, three hundred twelve million, nine hundred twenty-four thousand, two hundred sixty".