13655808 has 54 divisors (see below), whose sum is σ = 39379704. Its totient is φ = 4551168.

The previous prime is 13655797. The next prime is 13655809. The reversal of 13655808 is 80855631.

13655808 is a `hidden beast` number, since 13 + 65 + 580 + 8 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13655809) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 660 + ... + 5267.

Almost surely, 2^13655808 is an apocalyptic number.

13655808 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13655808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19689852).

13655808 is an abundant number, since it is smaller than the sum of its proper divisors (25723896).

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

13655808 is an equidigital number, since it uses as much as digits as its factorization.

13655808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5949 (or 5932 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 13655808 is about 3695.3765707976. The cubic root of 13655808 is about 239.0226923593.

The spelling of 13655808 in words is "thirteen million, six hundred fifty-five thousand, eight hundred eight".