13959814 has 16 divisors (see below), whose sum is σ = 22966416. Its totient is φ = 6311200.

The previous prime is 13959811. The next prime is 13959833. The reversal of 13959814 is 41895931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13959811) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2724 + ... + 5944.

It is an arithmetic number, because the mean of its divisors is an integer number (1435401).

Almost surely, 2^13959814 is an apocalyptic number.

13959814 is a deficient number, since it is larger than the sum of its proper divisors (9006602).

13959814 is a wasteful number, since it uses less digits than its factorization.

13959814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3431.

The product of its digits is 38880, while the sum is 40.

The square root of 13959814 is about 3736.2834474916. The cubic root of 13959814 is about 240.7834007130.

The spelling of 13959814 in words is "thirteen million, nine hundred fifty-nine thousand, eight hundred fourteen".