13906875 has 20 divisors (see below), whose sum is σ = 23173832. Its totient is φ = 7416000.

The previous prime is 13906861. The next prime is 13906883. The reversal of 13906875 is 57860931.

It is not a de Polignac number, because 13906875 - 2⁴ = 13906859 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 19 ways as a sum of consecutive naturals, for example, 1834 + ... + 5583.

Almost surely, 2^13906875 is an apocalyptic number.

13906875 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13906875 is a deficient number, since it is larger than the sum of its proper divisors (9266957).

13906875 is an frugal number, since it uses more digits than its factorization.

13906875 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7440 (or 7425 counting only the distinct ones).

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 13906875 is about 3729.1922717929. The cubic root of 13906875 is about 240.4786454703.

The spelling of 13906875 in words is "thirteen million, nine hundred six thousand, eight hundred seventy-five".