12679886026 has 8 divisors (see below), whose sum is σ = 19208144484. Its totient is φ = 6277171200.

The previous prime is 12679886017. The next prime is 12679886027. The reversal of 12679886026 is 62068897621.

It is a Cunningham number, because it is equal to 112605²+1.

It can be written as a sum of positive squares in 2 ways, for example, as 12679886025 + 1 = 112605^2 + 1^2 .

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

It is not an unprimeable number, because it can be changed into a prime (12679886027) 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, 31385655 + ... + 31386058.

Almost surely, 2^12679886026 is an apocalyptic number.

12679886026 is a deficient number, since it is larger than the sum of its proper divisors (6528258458).

12679886026 is a wasteful number, since it uses less digits than its factorization.

12679886026 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62771816.

The product of its (nonzero) digits is 3483648, while the sum is 55.

The spelling of 12679886026 in words is "twelve billion, six hundred seventy-nine million, eight hundred eighty-six thousand, twenty-six".