12694959579 has 8 divisors (see below), whose sum is σ = 17040214800. Its totient is φ = 8406505376.

The previous prime is 12694959577. The next prime is 12694959623. The reversal of 12694959579 is 97595949621.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12694959579 - 2¹ = 12694959577 is a prime.

It is a super-2 number, since 2×12694959579² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (12694959577) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14199732 + ... + 14200625.

It is an arithmetic number, because the mean of its divisors is an integer number (2130026850).

Almost surely, 2^12694959579 is an apocalyptic number.

12694959579 is a deficient number, since it is larger than the sum of its proper divisors (4345255221).

12694959579 is a wasteful number, since it uses less digits than its factorization.

12694959579 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28400509.

The product of its digits is 55112400, while the sum is 66.

The spelling of 12694959579 in words is "twelve billion, six hundred ninety-four million, nine hundred fifty-nine thousand, five hundred seventy-nine".