13838784 has 28 divisors (see below), whose sum is σ = 36615624. Its totient is φ = 4612864.

The previous prime is 13838753. The next prime is 13838791. The reversal of 13838784 is 48783831.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35847 + ... + 36230.

Almost surely, 2^13838784 is an apocalyptic number.

It is an amenable number.

13838784 is an abundant number, since it is smaller than the sum of its proper divisors (22776840).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13838784 is an equidigital number, since it uses as much as digits as its factorization.

13838784 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 72092 (or 72082 counting only the distinct ones).

The product of its digits is 129024, while the sum is 42.

The square root of 13838784 is about 3720.0516125452. The cubic root of 13838784 is about 240.0855250747.

The spelling of 13838784 in words is "thirteen million, eight hundred thirty-eight thousand, seven hundred eighty-four".