12369979 has 4 divisors (see below), whose sum is σ = 12796560. Its totient is φ = 11943400.

The previous prime is 12369967. The next prime is 12370003. The reversal of 12369979 is 97996321.

12369979 is digitally balanced in base 2, 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.

It is a cyclic number.

It is not a de Polignac number, because 12369979 - 2¹⁵ = 12337211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12369919) 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, 213247 + ... + 213304.

It is an arithmetic number, because the mean of its divisors is an integer number (3199140).

Almost surely, 2^12369979 is an apocalyptic number.

12369979 is a deficient number, since it is larger than the sum of its proper divisors (426581).

12369979 is an equidigital number, since it uses as much as digits as its factorization.

12369979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426580.

The product of its digits is 183708, while the sum is 46.

The square root of 12369979 is about 3517.0980935993. The cubic root of 12369979 is about 231.2719634362.

The spelling of 12369979 in words is "twelve million, three hundred sixty-nine thousand, nine hundred seventy-nine".