13886975 has 12 divisors (see below), whose sum is σ = 17390256. Its totient is φ = 10999680.

The previous prime is 13886933. The next prime is 13886981. The reversal of 13886975 is 57968831.

It is a happy number.

13886975 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 13886975 - 2¹² = 13882879 is a prime.

It is a Duffinian number.

It is a congruent number.

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, 122 + ... + 5271.

It is an arithmetic number, because the mean of its divisors is an integer number (1449188).

Almost surely, 2^13886975 is an apocalyptic number.

13886975 is a deficient number, since it is larger than the sum of its proper divisors (3503281).

13886975 is a wasteful number, since it uses less digits than its factorization.

13886975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5506 (or 5501 counting only the distinct ones).

The product of its digits is 362880, while the sum is 47.

The square root of 13886975 is about 3726.5231785137. The cubic root of 13886975 is about 240.3638866557.

It can be divided in two parts, 138 and 86975, that multiplied together give a triangular number (12002550 = T₄₈₉₉).

The spelling of 13886975 in words is "thirteen million, eight hundred eighty-six thousand, nine hundred seventy-five".