13932975 has 24 divisors (see below), whose sum is σ = 26327680. Its totient is φ = 6369120.

The previous prime is 13932973. The next prime is 13932991. The reversal of 13932975 is 57923931.

It is not a de Polignac number, because 13932975 - 2¹ = 13932973 is a prime.

It is a super-3 number, since 3×13932975³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13932973) 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, 12745 + ... + 13794.

Almost surely, 2^13932975 is an apocalyptic number.

13932975 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

13932975 is a deficient number, since it is larger than the sum of its proper divisors (12394705).

13932975 is a wasteful number, since it uses less digits than its factorization.

13932975 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26559 (or 26554 counting only the distinct ones).

The product of its digits is 51030, while the sum is 39.

The square root of 13932975 is about 3732.6900487450. The cubic root of 13932975 is about 240.6289924564.

The spelling of 13932975 in words is "thirteen million, nine hundred thirty-two thousand, nine hundred seventy-five".