13888275 has 12 divisors (see below), whose sum is σ = 22962072. Its totient is φ = 7407040.

The previous prime is 13888261. The next prime is 13888289. The reversal of 13888275 is 57288831.

It is a happy number.

13888275 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (13888261) and next prime (13888289).

It is not a de Polignac number, because 13888275 - 2¹⁷ = 13757203 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 92514 + ... + 92663.

It is an arithmetic number, because the mean of its divisors is an integer number (1913506).

Almost surely, 2^13888275 is an apocalyptic number.

13888275 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13888275 is a deficient number, since it is larger than the sum of its proper divisors (9073797).

13888275 is a wasteful number, since it uses less digits than its factorization.

13888275 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185190 (or 185185 counting only the distinct ones).

The product of its digits is 107520, while the sum is 42.

The square root of 13888275 is about 3726.6975997524. The cubic root of 13888275 is about 240.3713868084.

The spelling of 13888275 in words is "thirteen million, eight hundred eighty-eight thousand, two hundred seventy-five".