13840814 has 16 divisors (see below), whose sum is σ = 22420608. Its totient is φ = 6370272.

The previous prime is 13840807. The next prime is 13840829. The reversal of 13840814 is 41804831.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 15344 + ... + 16220.

It is an arithmetic number, because the mean of its divisors is an integer number (1401288).

Almost surely, 2^13840814 is an apocalyptic number.

13840814 is a deficient number, since it is larger than the sum of its proper divisors (8579794).

13840814 is a wasteful number, since it uses less digits than its factorization.

13840814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1499.

The product of its (nonzero) digits is 3072, while the sum is 29.

The square root of 13840814 is about 3720.3244482168. The cubic root of 13840814 is about 240.0972638177.

The spelling of 13840814 in words is "thirteen million, eight hundred forty thousand, eight hundred fourteen".