13999258 has 16 divisors (see below), whose sum is σ = 25845120. Its totient is φ = 5538096.

The previous prime is 13999253. The next prime is 13999267. The reversal of 13999258 is 85299931.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (13999253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 38278 + ... + 38641.

It is an arithmetic number, because the mean of its divisors is an integer number (1615320).

Almost surely, 2^13999258 is an apocalyptic number.

13999258 is a deficient number, since it is larger than the sum of its proper divisors (11845862).

13999258 is a wasteful number, since it uses less digits than its factorization.

13999258 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76941.

The product of its digits is 174960, while the sum is 46.

The square root of 13999258 is about 3741.5582315394. The cubic root of 13999258 is about 241.0099684243.

The spelling of 13999258 in words is "thirteen million, nine hundred ninety-nine thousand, two hundred fifty-eight".