13899875 has 24 divisors (see below), whose sum is σ = 19088160. Its totient is φ = 10098000.

The previous prime is 13899839. The next prime is 13899877. The reversal of 13899875 is 57899831.

13899875 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13899875 - 2¹⁰ = 13898851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13899877) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 14666 + ... + 15584.

It is an arithmetic number, because the mean of its divisors is an integer number (795340).

Almost surely, 2^13899875 is an apocalyptic number.

13899875 is a deficient number, since it is larger than the sum of its proper divisors (5188285).

13899875 is an equidigital number, since it uses as much as digits as its factorization.

13899875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 956 (or 935 counting only the distinct ones).

The product of its digits is 544320, while the sum is 50.

The square root of 13899875 is about 3728.2536126181. The cubic root of 13899875 is about 240.4382905371.

The spelling of 13899875 in words is "thirteen million, eight hundred ninety-nine thousand, eight hundred seventy-five".