1317863052 has 72 divisors (see below), whose sum is σ = 3847897872. Its totient is φ = 375859200.

The previous prime is 1317863023. The next prime is 1317863059. The reversal of 1317863052 is 2503687131.

1317863052 is a `hidden beast` number, since 1 + 3 + 17 + 8 + 630 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1317862998 and 1317863016.

It is not an unprimeable number, because it can be changed into a prime (1317863059) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 91149 + ... + 104612.

It is an arithmetic number, because the mean of its divisors is an integer number (53443026).

Almost surely, 2^1317863052 is an apocalyptic number.

1317863052 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1317863052 is an abundant number, since it is smaller than the sum of its proper divisors (2530034820).

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

1317863052 is a wasteful number, since it uses less digits than its factorization.

1317863052 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195799 (or 195794 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 1317863052 is about 36302.3835581081. The cubic root of 1317863052 is about 1096.3690338707.

The spelling of 1317863052 in words is "one billion, three hundred seventeen million, eight hundred sixty-three thousand, fifty-two".