13982379 has 16 divisors (see below), whose sum is σ = 19418400. Its totient is φ = 8938496.

The previous prime is 13982377. The next prime is 13982383. The reversal of 13982379 is 97328931.

13982379 is nontrivially palindromic in base 2.

It is not a de Polignac number, because 13982379 - 2¹ = 13982377 is a prime.

Its product of digits (81648) is a multiple of the sum of its prime divisors (1134).

It is a self number, because there is not a number n which added to its sum of digits gives 13982379.

It is not an unprimeable number, because it can be changed into a prime (13982377) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14587 + ... + 15515.

It is an arithmetic number, because the mean of its divisors is an integer number (1213650).

Almost surely, 2^13982379 is an apocalyptic number.

13982379 is a deficient number, since it is larger than the sum of its proper divisors (5436021).

13982379 is a wasteful number, since it uses less digits than its factorization.

13982379 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1134.

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

The square root of 13982379 is about 3739.3019402022. The cubic root of 13982379 is about 240.9130670196.

The spelling of 13982379 in words is "thirteen million, nine hundred eighty-two thousand, three hundred seventy-nine".