12433979 has 4 divisors (see below), whose sum is σ = 12451080. Its totient is φ = 12416880.

The previous prime is 12433973. The next prime is 12434003. The reversal of 12433979 is 97933421.

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 12433979 - 2⁴ = 12433963 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12433973) 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, 7409 + ... + 8930.

It is an arithmetic number, because the mean of its divisors is an integer number (3112770).

Almost surely, 2^12433979 is an apocalyptic number.

12433979 is a deficient number, since it is larger than the sum of its proper divisors (17101).

12433979 is an equidigital number, since it uses as much as digits as its factorization.

12433979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17100.

The product of its digits is 40824, while the sum is 38.

The square root of 12433979 is about 3526.1847654370. The cubic root of 12433979 is about 231.6701304338.

The spelling of 12433979 in words is "twelve million, four hundred thirty-three thousand, nine hundred seventy-nine".