13668608 has 36 divisors (see below), whose sum is σ = 27594000. Its totient is φ = 6756864.

The previous prime is 13668583. The next prime is 13668631. The reversal of 13668608 is 80686631.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27143 + ... + 27641.

It is an arithmetic number, because the mean of its divisors is an integer number (766500).

Almost surely, 2^13668608 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 13668608, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13797000).

13668608 is an abundant number, since it is smaller than the sum of its proper divisors (13925392).

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

13668608 is an equidigital number, since it uses as much as digits as its factorization.

13668608 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622 (or 608 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 38.

The square root of 13668608 is about 3697.1080590104. The cubic root of 13668608 is about 239.0973500933.

The spelling of 13668608 in words is "thirteen million, six hundred sixty-eight thousand, six hundred eight".