13890792 has 32 divisors (see below), whose sum is σ = 34966080. Its totient is φ = 4598400.

The previous prime is 13890791. The next prime is 13890817. The reversal of 13890792 is 29709831.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 13890792.

It is not an unprimeable number, because it can be changed into a prime (13890791) 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, 1708 + ... + 5540.

It is an arithmetic number, because the mean of its divisors is an integer number (1092690).

Almost surely, 2^13890792 is an apocalyptic number.

13890792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13890792 is an abundant number, since it is smaller than the sum of its proper divisors (21075288).

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

13890792 is a wasteful number, since it uses less digits than its factorization.

13890792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3993 (or 3989 counting only the distinct ones).

The product of its (nonzero) digits is 27216, while the sum is 39.

The square root of 13890792 is about 3727.0352829025. The cubic root of 13890792 is about 240.3859069279.

The spelling of 13890792 in words is "thirteen million, eight hundred ninety thousand, seven hundred ninety-two".