1317633612 has 12 divisors (see below), whose sum is σ = 3074478456. Its totient is φ = 439211200.

The previous prime is 1317633601. The next prime is 1317633623. The reversal of 1317633612 is 2163367131.

1317633612 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (1317633601) and next prime (1317633623).

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 54901389 + ... + 54901412.

It is an arithmetic number, because the mean of its divisors is an integer number (256206538).

Almost surely, 2^1317633612 is an apocalyptic number.

1317633612 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1317633612 is an abundant number, since it is smaller than the sum of its proper divisors (1756844844).

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

1317633612 is a wasteful number, since it uses less digits than its factorization.

1317633612 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109802808 (or 109802806 counting only the distinct ones).

The product of its digits is 13608, while the sum is 33.

The square root of 1317633612 is about 36299.2232974757. The cubic root of 1317633612 is about 1096.3054042165.

The spelling of 1317633612 in words is "one billion, three hundred seventeen million, six hundred thirty-three thousand, six hundred twelve".