13813908 has 12 divisors (see below), whose sum is σ = 32232480. Its totient is φ = 4604632.

The previous prime is 13813903. The next prime is 13813927. The reversal of 13813908 is 80931831.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13813901) 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, 575568 + ... + 575591.

It is an arithmetic number, because the mean of its divisors is an integer number (2686040).

Almost surely, 2^13813908 is an apocalyptic number.

It is an amenable number.

13813908 is an abundant number, since it is smaller than the sum of its proper divisors (18418572).

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

13813908 is a wasteful number, since it uses less digits than its factorization.

13813908 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1151166 (or 1151164 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 33.

The square root of 13813908 is about 3716.7066066613. The cubic root of 13813908 is about 239.9415830044.

The spelling of 13813908 in words is "thirteen million, eight hundred thirteen thousand, nine hundred eight".