13847638 has 16 divisors (see below), whose sum is σ = 24505344. Its totient is φ = 5743080.

The previous prime is 13847621. The next prime is 13847651. The reversal of 13847638 is 83674831.

13847638 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 13847638.

It is a congruent number.

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, 15520 + ... + 16387.

It is an arithmetic number, because the mean of its divisors is an integer number (1531584).

Almost surely, 2^13847638 is an apocalyptic number.

13847638 is a deficient number, since it is larger than the sum of its proper divisors (10657706).

13847638 is a wasteful number, since it uses less digits than its factorization.

13847638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31947.

The product of its digits is 96768, while the sum is 40.

The square root of 13847638 is about 3721.2414595132. The cubic root of 13847638 is about 240.1367160863.

The spelling of 13847638 in words is "thirteen million, eight hundred forty-seven thousand, six hundred thirty-eight".