13645808 has 40 divisors (see below), whose sum is σ = 30105216. Its totient is φ = 5931200.

The previous prime is 13645799. The next prime is 13645811. The reversal of 13645808 is 80854631.

13645808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2363 + ... + 5733.

Almost surely, 2^13645808 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13645808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15052608).

13645808 is an abundant number, since it is smaller than the sum of its proper divisors (16459408).

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

13645808 is a wasteful number, since it uses less digits than its factorization.

13645808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3413 (or 3407 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 35.

The square root of 13645808 is about 3694.0232809228. The cubic root of 13645808 is about 238.9643335373.

The spelling of 13645808 in words is "thirteen million, six hundred forty-five thousand, eight hundred eight".