13869718 has 4 divisors (see below), whose sum is σ = 20804580. Its totient is φ = 6934858.

The previous prime is 13869707. The next prime is 13869719. The reversal of 13869718 is 81796831.

13869718 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13869719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3467428 + ... + 3467431.

It is an arithmetic number, because the mean of its divisors is an integer number (5201145).

Almost surely, 2^13869718 is an apocalyptic number.

13869718 is a deficient number, since it is larger than the sum of its proper divisors (6934862).

13869718 is an equidigital number, since it uses as much as digits as its factorization.

13869718 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6934861.

The product of its digits is 72576, while the sum is 43.

The square root of 13869718 is about 3724.2070296910. The cubic root of 13869718 is about 240.2642806347.

The spelling of 13869718 in words is "thirteen million, eight hundred sixty-nine thousand, seven hundred eighteen".