1317976705 has 48 divisors (see below), whose sum is σ = 1777593600. Its totient is φ = 935865216.

The previous prime is 1317976577. The next prime is 1317976711. The reversal of 1317976705 is 5076797131.

It is not a de Polignac number, because 1317976705 - 2⁷ = 1317976577 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2199996 + ... + 2200594.

It is an arithmetic number, because the mean of its divisors is an integer number (37033200).

Almost surely, 2^1317976705 is an apocalyptic number.

It is an amenable number.

1317976705 is a deficient number, since it is larger than the sum of its proper divisors (459616895).

1317976705 is a wasteful number, since it uses less digits than its factorization.

1317976705 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718 (or 699 counting only the distinct ones).

The product of its (nonzero) digits is 277830, while the sum is 46.

The square root of 1317976705 is about 36303.9488898935. The cubic root of 1317976705 is about 1096.4005500559.

The spelling of 1317976705 in words is "one billion, three hundred seventeen million, nine hundred seventy-six thousand, seven hundred five".