13975814 has 4 divisors (see below), whose sum is σ = 20963724. Its totient is φ = 6987906.

The previous prime is 13975799. The next prime is 13975859. The reversal of 13975814 is 41857931.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 41857931 = 19 ⋅2203049.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3493952 + ... + 3493955.

It is an arithmetic number, because the mean of its divisors is an integer number (5240931).

Almost surely, 2^13975814 is an apocalyptic number.

13975814 is a deficient number, since it is larger than the sum of its proper divisors (6987910).

13975814 is an equidigital number, since it uses as much as digits as its factorization.

13975814 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6987909.

The product of its digits is 30240, while the sum is 38.

The square root of 13975814 is about 3738.4239994950. The cubic root of 13975814 is about 240.8753566538.

The spelling of 13975814 in words is "thirteen million, nine hundred seventy-five thousand, eight hundred fourteen".