13698816 has 36 divisors (see below), whose sum is σ = 36460872. Its totient is φ = 4566016.

The previous prime is 13698809. The next prime is 13698833. The reversal of 13698816 is 61889631.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8151 + ... + 9686.

It is an arithmetic number, because the mean of its divisors is an integer number (1012802).

Almost surely, 2^13698816 is an apocalyptic number.

13698816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

13698816 is an abundant number, since it is smaller than the sum of its proper divisors (22762056).

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

13698816 is an equidigital number, since it uses as much as digits as its factorization.

13698816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17856 (or 17842 counting only the distinct ones).

The product of its digits is 62208, while the sum is 42.

The square root of 13698816 is about 3701.1911596133. The cubic root of 13698816 is about 239.2733577385.

The spelling of 13698816 in words is "thirteen million, six hundred ninety-eight thousand, eight hundred sixteen".