1317668652 has 72 divisors (see below), whose sum is σ = 3360988176. Its totient is φ = 435262464.

The previous prime is 1317668629. The next prime is 1317668683. The reversal of 1317668652 is 2568667131.

It is a junction number, because it is equal to n+sod(n) for n = 1317668598 and 1317668607.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 3797143 + ... + 3797489.

Almost surely, 2^1317668652 is an apocalyptic number.

1317668652 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1317668652 is an abundant number, since it is smaller than the sum of its proper divisors (2043319524).

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

1317668652 is a wasteful number, since it uses less digits than its factorization.

1317668652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1007 (or 1002 counting only the distinct ones).

The product of its digits is 362880, while the sum is 45.

The square root of 1317668652 is about 36299.7059492222. The cubic root of 1317668652 is about 1096.3151221939.

The spelling of 1317668652 in words is "one billion, three hundred seventeen million, six hundred sixty-eight thousand, six hundred fifty-two".