12318708737 has 4 divisors (see below), whose sum is σ = 12321355200. Its totient is φ = 12316062276.

The previous prime is 12318708683. The next prime is 12318708739. The reversal of 12318708737 is 73780781321.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12318708737 - 2³⁰ = 11244966913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12318708691 and 12318708700.

It is not an unprimeable number, because it can be changed into a prime (12318708739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1316237 + ... + 1325562.

It is an arithmetic number, because the mean of its divisors is an integer number (3080338800).

Almost surely, 2^12318708737 is an apocalyptic number.

It is an amenable number.

12318708737 is a deficient number, since it is larger than the sum of its proper divisors (2646463).

12318708737 is an equidigital number, since it uses as much as digits as its factorization.

12318708737 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2646462.

The product of its (nonzero) digits is 395136, while the sum is 47.

The spelling of 12318708737 in words is "twelve billion, three hundred eighteen million, seven hundred eight thousand, seven hundred thirty-seven".