13799997 has 8 divisors (see below), whose sum is σ = 20444480. Its totient is φ = 9199980.

The previous prime is 13799939. The next prime is 13800013. The reversal of 13799997 is 79999731.

13799997 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13799997 - 2⁸ = 13799741 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13799917) 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, 255529 + ... + 255582.

It is an arithmetic number, because the mean of its divisors is an integer number (2555560).

Almost surely, 2^13799997 is an apocalyptic number.

It is an amenable number.

13799997 is a deficient number, since it is larger than the sum of its proper divisors (6644483).

13799997 is an equidigital number, since it uses as much as digits as its factorization.

13799997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 511120 (or 511114 counting only the distinct ones).

The product of its digits is 964467, while the sum is 54.

The square root of 13799997 is about 3714.8347204149. The cubic root of 13799997 is about 239.8610132767.

The spelling of 13799997 in words is "thirteen million, seven hundred ninety-nine thousand, nine hundred ninety-seven".