12208879 has 4 divisors (see below), whose sum is σ = 12218040. Its totient is φ = 12199720.

The previous prime is 12208877. The next prime is 12208909. The reversal of 12208879 is 97880221.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 12208879 - 2¹ = 12208877 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 (12208871) 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, 2152 + ... + 5389.

It is an arithmetic number, because the mean of its divisors is an integer number (3054510).

Almost surely, 2^12208879 is an apocalyptic number.

12208879 is a deficient number, since it is larger than the sum of its proper divisors (9161).

12208879 is an equidigital number, since it uses as much as digits as its factorization.

12208879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9160.

The product of its (nonzero) digits is 16128, while the sum is 37.

The square root of 12208879 is about 3494.1206332924. The cubic root of 12208879 is about 230.2635856477.

The spelling of 12208879 in words is "twelve million, two hundred eight thousand, eight hundred seventy-nine".