13999255 has 16 divisors (see below), whose sum is σ = 17180640. Its totient is φ = 10948608.

The previous prime is 13999253. The next prime is 13999267. The reversal of 13999255 is 55299931.

It is a cyclic number.

It is not a de Polignac number, because 13999255 - 2¹ = 13999253 is a prime.

Its product of digits (109350) is a multiple of the sum of its prime divisors (450).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13999253) 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, 72439 + ... + 72631.

It is an arithmetic number, because the mean of its divisors is an integer number (1073790).

Almost surely, 2^13999255 is an apocalyptic number.

13999255 is a deficient number, since it is larger than the sum of its proper divisors (3181385).

13999255 is a wasteful number, since it uses less digits than its factorization.

13999255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 450.

The product of its digits is 109350, while the sum is 43.

The square root of 13999255 is about 3741.5578306369. The cubic root of 13999255 is about 241.0099512084.

The spelling of 13999255 in words is "thirteen million, nine hundred ninety-nine thousand, two hundred fifty-five".