13949375 has 20 divisors (see below), whose sum is σ = 19025160. Its totient is φ = 10140000.

The previous prime is 13949359. The next prime is 13949387. The reversal of 13949375 is 57394931.

It is not a de Polignac number, because 13949375 - 2⁴ = 13949359 is a prime.

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, 5861 + ... + 7889.

It is an arithmetic number, because the mean of its divisors is an integer number (951258).

Almost surely, 2^13949375 is an apocalyptic number.

13949375 is a deficient number, since it is larger than the sum of its proper divisors (5075785).

13949375 is an equidigital number, since it uses as much as digits as its factorization.

13949375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2060 (or 2045 counting only the distinct ones).

The product of its digits is 102060, while the sum is 41.

The square root of 13949375 is about 3734.8862097794. The cubic root of 13949375 is about 240.7233673269.

The spelling of 13949375 in words is "thirteen million, nine hundred forty-nine thousand, three hundred seventy-five".