13875844 has 6 divisors (see below), whose sum is σ = 24282734. Its totient is φ = 6937920.

The previous prime is 13875787. The next prime is 13875847. The reversal of 13875844 is 44857831.

13875844 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10497600 + 3378244 = 3240^2 + 1838^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13875797 and 13875806.

It is not an unprimeable number, because it can be changed into a prime (13875847) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1734477 + ... + 1734484.

Almost surely, 2^13875844 is an apocalyptic number.

It is an amenable number.

13875844 is a deficient number, since it is larger than the sum of its proper divisors (10406890).

13875844 is a wasteful number, since it uses less digits than its factorization.

13875844 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3468965 (or 3468963 counting only the distinct ones).

The product of its digits is 107520, while the sum is 40.

The square root of 13875844 is about 3725.0293958572. The cubic root of 13875844 is about 240.2996488698.

The spelling of 13875844 in words is "thirteen million, eight hundred seventy-five thousand, eight hundred forty-four".