13975599 has 8 divisors (see below), whose sum is σ = 20328192. Its totient is φ = 8470040.

The previous prime is 13975567. The next prime is 13975607. The reversal of 13975599 is 99557931.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13975599 - 2⁵ = 13975567 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13975519) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 211719 + ... + 211784.

It is an arithmetic number, because the mean of its divisors is an integer number (2541024).

Almost surely, 2^13975599 is an apocalyptic number.

13975599 is a deficient number, since it is larger than the sum of its proper divisors (6352593).

13975599 is a wasteful number, since it uses less digits than its factorization.

13975599 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 423517.

The product of its digits is 382725, while the sum is 48.

The square root of 13975599 is about 3738.3952439516. The cubic root of 13975599 is about 240.8741214612.

It can be divided in two parts, 1397 and 5599, that added together give a palindrome (6996).

The spelling of 13975599 in words is "thirteen million, nine hundred seventy-five thousand, five hundred ninety-nine".