12683961679 has 16 divisors (see below), whose sum is σ = 13427324064. Its totient is φ = 11966976000.

The previous prime is 12683961671. The next prime is 12683961707. The reversal of 12683961679 is 97616938621.

It is a cyclic number.

It is not a de Polignac number, because 12683961679 - 2³ = 12683961671 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12683961671) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 142447 + ... + 213679.

It is an arithmetic number, because the mean of its divisors is an integer number (839207754).

Almost surely, 2^12683961679 is an apocalyptic number.

12683961679 is a deficient number, since it is larger than the sum of its proper divisors (743362385).

12683961679 is a wasteful number, since it uses less digits than its factorization.

12683961679 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71418.

The product of its digits is 5878656, while the sum is 58.

The spelling of 12683961679 in words is "twelve billion, six hundred eighty-three million, nine hundred sixty-one thousand, six hundred seventy-nine".