13954239 has 12 divisors (see below), whose sum is σ = 21706776. Its totient is φ = 8587152.

The previous prime is 13954223. The next prime is 13954273. The reversal of 13954239 is 93245931.

It is a happy number.

It is not a de Polignac number, because 13954239 - 2⁴ = 13954223 is a prime.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13954219) 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, 59517 + ... + 59750.

It is an arithmetic number, because the mean of its divisors is an integer number (1808898).

Almost surely, 2^13954239 is an apocalyptic number.

13954239 is a deficient number, since it is larger than the sum of its proper divisors (7752537).

13954239 is a wasteful number, since it uses less digits than its factorization.

13954239 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119286 (or 119283 counting only the distinct ones).

The product of its digits is 29160, while the sum is 36.

The square root of 13954239 is about 3735.5373107493. The cubic root of 13954239 is about 240.7513433089.

The spelling of 13954239 in words is "thirteen million, nine hundred fifty-four thousand, two hundred thirty-nine".