12356879 has 4 divisors (see below), whose sum is σ = 12755520. Its totient is φ = 11958240.

The previous prime is 12356863. The next prime is 12356881. The reversal of 12356879 is 97865321.

12356879 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 97865321 = 367 ⋅266663.

It is a cyclic number.

It is not a de Polignac number, because 12356879 - 2⁴ = 12356863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12356809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 199274 + ... + 199335.

It is an arithmetic number, because the mean of its divisors is an integer number (3188880).

Almost surely, 2^12356879 is an apocalyptic number.

12356879 is a deficient number, since it is larger than the sum of its proper divisors (398641).

12356879 is an equidigital number, since it uses as much as digits as its factorization.

12356879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398640.

The product of its digits is 90720, while the sum is 41.

The square root of 12356879 is about 3515.2352695090. The cubic root of 12356879 is about 231.1902943987.

The spelling of 12356879 in words is "twelve million, three hundred fifty-six thousand, eight hundred seventy-nine".