13799790 has 48 divisors (see below), whose sum is σ = 36240048. Its totient is φ = 3643008.

The previous prime is 13799777. The next prime is 13799791. The reversal of 13799790 is 9799731.

13799790 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13799791) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8914 + ... + 10346.

It is an arithmetic number, because the mean of its divisors is an integer number (755001).

Almost surely, 2^13799790 is an apocalyptic number.

13799790 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13799790, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18120024).

13799790 is an abundant number, since it is smaller than the sum of its proper divisors (22440258).

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

13799790 is a wasteful number, since it uses less digits than its factorization.

13799790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1553 (or 1550 counting only the distinct ones).

The product of its (nonzero) digits is 107163, while the sum is 45.

The square root of 13799790 is about 3714.8068590440. The cubic root of 13799790 is about 239.8598139654.

The spelling of 13799790 in words is "thirteen million, seven hundred ninety-nine thousand, seven hundred ninety".