13911798 has 16 divisors (see below), whose sum is σ = 28094976. Its totient is φ = 4592040.

The previous prime is 13911791. The next prime is 13911817. The reversal of 13911798 is 89711931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13911791) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10638 + ... + 11873.

It is an arithmetic number, because the mean of its divisors is an integer number (1755936).

Almost surely, 2^13911798 is an apocalyptic number.

13911798 is an abundant number, since it is smaller than the sum of its proper divisors (14183178).

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

13911798 is a wasteful number, since it uses less digits than its factorization.

13911798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22619.

The product of its digits is 13608, while the sum is 39.

The square root of 13911798 is about 3729.8522758951. The cubic root of 13911798 is about 240.5070184082.

The spelling of 13911798 in words is "thirteen million, nine hundred eleven thousand, seven hundred ninety-eight".