13994859 has 16 divisors (see below), whose sum is σ = 20096640. Its totient is φ = 8630400.

The previous prime is 13994839. The next prime is 13994867. The reversal of 13994859 is 95849931.

It is not a de Polignac number, because 13994859 - 2⁷ = 13994731 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13994839) 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, 684 + ... + 5334.

It is an arithmetic number, because the mean of its divisors is an integer number (1256040).

Almost surely, 2^13994859 is an apocalyptic number.

13994859 is a deficient number, since it is larger than the sum of its proper divisors (6101781).

13994859 is a wasteful number, since it uses less digits than its factorization.

13994859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4730.

The product of its digits is 349920, while the sum is 48.

The square root of 13994859 is about 3740.9703286714. The cubic root of 13994859 is about 240.9847215167.

The spelling of 13994859 in words is "thirteen million, nine hundred ninety-four thousand, eight hundred fifty-nine".