13875874 has 4 divisors (see below), whose sum is σ = 20813814. Its totient is φ = 6937936.

The previous prime is 13875847. The next prime is 13875881. The reversal of 13875874 is 47857831.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 10284849 + 3591025 = 3207^2 + 1895^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13875874.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3468967 + ... + 3468970.

Almost surely, 2^13875874 is an apocalyptic number.

13875874 is a deficient number, since it is larger than the sum of its proper divisors (6937940).

13875874 is an equidigital number, since it uses as much as digits as its factorization.

13875874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6937939.

The product of its digits is 188160, while the sum is 43.

The square root of 13875874 is about 3725.0334226688. The cubic root of 13875874 is about 240.2998220480.

The spelling of 13875874 in words is "thirteen million, eight hundred seventy-five thousand, eight hundred seventy-four".