12879426 has 16 divisors (see below), whose sum is σ = 29438784. Its totient is φ = 3679824.

The previous prime is 12879409. The next prime is 12879437. The reversal of 12879426 is 62497821.

It is a super-2 number, since 2×12879426² = 331759228178952, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 153285 + ... + 153368.

It is an arithmetic number, because the mean of its divisors is an integer number (1839924).

Almost surely, 2^12879426 is an apocalyptic number.

12879426 is an abundant number, since it is smaller than the sum of its proper divisors (16559358).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12879426 is a wasteful number, since it uses less digits than its factorization.

12879426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306665.

The product of its digits is 48384, while the sum is 39.

The square root of 12879426 is about 3588.7917186708. The cubic root of 12879426 is about 234.4042613777.

The spelling of 12879426 in words is "twelve million, eight hundred seventy-nine thousand, four hundred twenty-six".