13944279 has 16 divisors (see below), whose sum is σ = 19526400. Its totient is φ = 8834496.

The previous prime is 13944263. The next prime is 13944283. The reversal of 13944279 is 97244931.

It is not a de Polignac number, because 13944279 - 2⁴ = 13944263 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13944209) 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, 11787 + ... + 12915.

It is an arithmetic number, because the mean of its divisors is an integer number (1220400).

Almost surely, 2^13944279 is an apocalyptic number.

13944279 is a deficient number, since it is larger than the sum of its proper divisors (5582121).

13944279 is a wasteful number, since it uses less digits than its factorization.

13944279 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1334.

The product of its digits is 54432, while the sum is 39.

The square root of 13944279 is about 3734.2039312282. The cubic root of 13944279 is about 240.6940499872.

The spelling of 13944279 in words is "thirteen million, nine hundred forty-four thousand, two hundred seventy-nine".