13819975 has 18 divisors (see below), whose sum is σ = 18562056. Its totient is φ = 10202400.

The previous prime is 13819957. The next prime is 13819991. The reversal of 13819975 is 57991831.

It is not a de Polignac number, because 13819975 - 2⁵ = 13819943 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 2590 + ... + 5860.

Almost surely, 2^13819975 is an apocalyptic number.

13819975 is a deficient number, since it is larger than the sum of its proper divisors (4742081).

13819975 is a wasteful number, since it uses less digits than its factorization.

13819975 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3307 (or 3289 counting only the distinct ones).

The product of its digits is 68040, while the sum is 43.

The square root of 13819975 is about 3717.5226966355. The cubic root of 13819975 is about 239.9767049149.

The spelling of 13819975 in words is "thirteen million, eight hundred nineteen thousand, nine hundred seventy-five".