13411979 has 4 divisors (see below), whose sum is σ = 15327984. Its totient is φ = 11495976.

The previous prime is 13411969. The next prime is 13411987. The reversal of 13411979 is 97911431.

It is a happy number.

13411979 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 a de Polignac number, because none of the positive numbers 2^k-13411979 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13411969) 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, 957992 + ... + 958005.

It is an arithmetic number, because the mean of its divisors is an integer number (3831996).

Almost surely, 2^13411979 is an apocalyptic number.

13411979 is a deficient number, since it is larger than the sum of its proper divisors (1916005).

13411979 is an equidigital number, since it uses as much as digits as its factorization.

13411979 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1916004.

The product of its digits is 6804, while the sum is 35.

The square root of 13411979 is about 3662.2368847468. The cubic root of 13411979 is about 237.5915303715.

The spelling of 13411979 in words is "thirteen million, four hundred eleven thousand, nine hundred seventy-nine".