12879233 has 4 divisors (see below), whose sum is σ = 12973380. Its totient is φ = 12785088.

The previous prime is 12879221. The next prime is 12879239. The reversal of 12879233 is 33297821.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2849344 + 10029889 = 1688^2 + 3167^2 .

It is a cyclic number.

It is not a de Polignac number, because 12879233 - 2⁸ = 12878977 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12879193 and 12879202.

It is not an unprimeable number, because it can be changed into a prime (12879239) 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, 46868 + ... + 47141.

It is an arithmetic number, because the mean of its divisors is an integer number (3243345).

Almost surely, 2^12879233 is an apocalyptic number.

It is an amenable number.

12879233 is a deficient number, since it is larger than the sum of its proper divisors (94147).

12879233 is an equidigital number, since it uses as much as digits as its factorization.

12879233 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94146.

The product of its digits is 18144, while the sum is 35.

The square root of 12879233 is about 3588.7648292971. The cubic root of 12879233 is about 234.4030905117.

The spelling of 12879233 in words is "twelve million, eight hundred seventy-nine thousand, two hundred thirty-three".