12659692479 has 24 divisors (see below), whose sum is σ = 20092089600. Its totient is φ = 7065871344.

The previous prime is 12659692477. The next prime is 12659692511. The reversal of 12659692479 is 97429695621.

It is not a de Polignac number, because 12659692479 - 2¹ = 12659692477 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12659692477) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 995079 + ... + 1007720.

It is an arithmetic number, because the mean of its divisors is an integer number (837170400).

Almost surely, 2^12659692479 is an apocalyptic number.

12659692479 is a deficient number, since it is larger than the sum of its proper divisors (7432397121).

12659692479 is a wasteful number, since it uses less digits than its factorization.

12659692479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2002859 (or 2002852 counting only the distinct ones).

The product of its digits is 14696640, while the sum is 60.

The spelling of 12659692479 in words is "twelve billion, six hundred fifty-nine million, six hundred ninety-two thousand, four hundred seventy-nine".