13818339 has 12 divisors (see below), whose sum is σ = 21010600. Its totient is φ = 8727264.

The previous prime is 13818323. The next prime is 13818341. The reversal of 13818339 is 93381831.

It is not a de Polignac number, because 13818339 - 2⁴ = 13818323 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13818349) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 40234 + ... + 40575.

Almost surely, 2^13818339 is an apocalyptic number.

13818339 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

13818339 is a deficient number, since it is larger than the sum of its proper divisors (7192261).

13818339 is a wasteful number, since it uses less digits than its factorization.

13818339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80834 (or 80831 counting only the distinct ones).

The product of its digits is 15552, while the sum is 36.

The square root of 13818339 is about 3717.3026511168. The cubic root of 13818339 is about 239.9672351105.

The spelling of 13818339 in words is "thirteen million, eight hundred eighteen thousand, three hundred thirty-nine".