13382979 has 16 divisors (see below), whose sum is σ = 18561024. Its totient is φ = 8568000.

The previous prime is 13382969. The next prime is 13382983. The reversal of 13382979 is 97928331.

It is not a de Polignac number, because 13382979 - 2⁵ = 13382947 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13382979.

It is not an unprimeable number, because it can be changed into a prime (13382909) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13567 + ... + 14519.

It is an arithmetic number, because the mean of its divisors is an integer number (1160064).

Almost surely, 2^13382979 is an apocalyptic number.

13382979 is a deficient number, since it is larger than the sum of its proper divisors (5178045).

13382979 is a wasteful number, since it uses less digits than its factorization.

13382979 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138.

The product of its digits is 81648, while the sum is 42.

The square root of 13382979 is about 3658.2754133608. The cubic root of 13382979 is about 237.4201630084.

The spelling of 13382979 in words is "thirteen million, three hundred eighty-two thousand, nine hundred seventy-nine".