13174979 has 4 divisors (see below), whose sum is σ = 13186560. Its totient is φ = 13163400.

The previous prime is 13174957. The next prime is 13174991. The reversal of 13174979 is 97947131.

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 13174979 - 2⁸ = 13174723 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13174279) 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, 3872 + ... + 6429.

It is an arithmetic number, because the mean of its divisors is an integer number (3296640).

Almost surely, 2^13174979 is an apocalyptic number.

13174979 is a deficient number, since it is larger than the sum of its proper divisors (11581).

13174979 is a wasteful number, since it uses less digits than its factorization.

13174979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11580.

The product of its digits is 47628, while the sum is 41.

The square root of 13174979 is about 3629.7353898046. The cubic root of 13174979 is about 236.1837300944.

The spelling of 13174979 in words is "thirteen million, one hundred seventy-four thousand, nine hundred seventy-nine".