1317112799 has 4 divisors (see below), whose sum is σ = 1317200040. Its totient is φ = 1317025560.

The previous prime is 1317112787. The next prime is 1317112817. The reversal of 1317112799 is 9972117131.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1317112799 - 2¹² = 1317108703 is a prime.

It is a super-2 number, since 2×1317112799² = 3469572250579228802, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1317112739) 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 3 ways as a sum of consecutive naturals, for example, 14489 + ... + 53330.

It is an arithmetic number, because the mean of its divisors is an integer number (329300010).

Almost surely, 2^1317112799 is an apocalyptic number.

1317112799 is a deficient number, since it is larger than the sum of its proper divisors (87241).

1317112799 is an equidigital number, since it uses as much as digits as its factorization.

1317112799 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 87240.

The product of its digits is 23814, while the sum is 41.

The square root of 1317112799 is about 36292.0487021606. The cubic root of 1317112799 is about 1096.1609418648.

The spelling of 1317112799 in words is "one billion, three hundred seventeen million, one hundred twelve thousand, seven hundred ninety-nine".