13859375 has 14 divisors (see below), whose sum is σ = 17343528. Its totient is φ = 11075000.

The previous prime is 13859357. The next prime is 13859393. The reversal of 13859375 is 57395831.

It is a happy number.

13859375 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 (13859357) and next prime (13859393).

It is not a de Polignac number, because 13859375 - 2¹⁴ = 13842991 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 13 ways as a sum of consecutive naturals, for example, 15182 + ... + 16068.

Almost surely, 2^13859375 is an apocalyptic number.

13859375 is a deficient number, since it is larger than the sum of its proper divisors (3484153).

13859375 is an frugal number, since it uses more digits than its factorization.

13859375 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 917 (or 892 counting only the distinct ones).

The product of its digits is 113400, while the sum is 41.

The square root of 13859375 is about 3722.8181529589. The cubic root of 13859375 is about 240.2045420629.

The spelling of 13859375 in words is "thirteen million, eight hundred fifty-nine thousand, three hundred seventy-five".