13863634 has 16 divisors (see below), whose sum is σ = 21876480. Its totient is φ = 6580080.

The previous prime is 13863623. The next prime is 13863659. The reversal of 13863634 is 43636831.

13863634 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 13863634.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1177 + ... + 5395.

It is an arithmetic number, because the mean of its divisors is an integer number (1367280).

Almost surely, 2^13863634 is an apocalyptic number.

13863634 is a deficient number, since it is larger than the sum of its proper divisors (8012846).

13863634 is a wasteful number, since it uses less digits than its factorization.

13863634 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4305.

The product of its digits is 31104, while the sum is 34.

The square root of 13863634 is about 3723.3901219185. The cubic root of 13863634 is about 240.2291445761.

The spelling of 13863634 in words is "thirteen million, eight hundred sixty-three thousand, six hundred thirty-four".