13799020 has 12 divisors (see below), whose sum is σ = 28977984. Its totient is φ = 5519600.

The previous prime is 13799003. The next prime is 13799021. The reversal of 13799020 is 2099731.

13799020 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13799021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 344956 + ... + 344995.

It is an arithmetic number, because the mean of its divisors is an integer number (2414832).

Almost surely, 2^13799020 is an apocalyptic number.

13799020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13799020 is an abundant number, since it is smaller than the sum of its proper divisors (15178964).

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

13799020 is a wasteful number, since it uses less digits than its factorization.

13799020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689960 (or 689958 counting only the distinct ones).

The product of its (nonzero) digits is 3402, while the sum is 31.

The square root of 13799020 is about 3714.7032182935. The cubic root of 13799020 is about 239.8553526538.

The spelling of 13799020 in words is "thirteen million, seven hundred ninety-nine thousand, twenty".