13888790 has 16 divisors (see below), whose sum is σ = 25066800. Its totient is φ = 5540640.

The previous prime is 13888769. The next prime is 13888793. The reversal of 13888790 is 9788831.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13888793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2561 + ... + 5859.

It is an arithmetic number, because the mean of its divisors is an integer number (1566675).

Almost surely, 2^13888790 is an apocalyptic number.

13888790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13888790 is a deficient number, since it is larger than the sum of its proper divisors (11178010).

13888790 is a wasteful number, since it uses less digits than its factorization.

13888790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3727.

The product of its (nonzero) digits is 96768, while the sum is 44.

The square root of 13888790 is about 3726.7666951394. The cubic root of 13888790 is about 240.3743578934.

The spelling of 13888790 in words is "thirteen million, eight hundred eighty-eight thousand, seven hundred ninety".