13975838 has 8 divisors (see below), whose sum is σ = 20979840. Its totient is φ = 6982560.

The previous prime is 13975799. The next prime is 13975859. The reversal of 13975838 is 83857931.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 2918 + ... + 6038.

It is an arithmetic number, because the mean of its divisors is an integer number (2622480).

Almost surely, 2^13975838 is an apocalyptic number.

13975838 is a deficient number, since it is larger than the sum of its proper divisors (7004002).

13975838 is a wasteful number, since it uses less digits than its factorization.

13975838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5362.

The product of its digits is 181440, while the sum is 44.

The square root of 13975838 is about 3738.4272094024. The cubic root of 13975838 is about 240.8754945350.

The spelling of 13975838 in words is "thirteen million, nine hundred seventy-five thousand, eight hundred thirty-eight".