13508768 has 48 divisors (see below), whose sum is σ = 32739840. Its totient is φ = 5342976.

The previous prime is 13508731. The next prime is 13508771. The reversal of 13508768 is 86780531.

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, 593 + ... + 5231.

It is an arithmetic number, because the mean of its divisors is an integer number (682080).

Almost surely, 2^13508768 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 13508768, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16369920).

13508768 is an abundant number, since it is smaller than the sum of its proper divisors (19231072).

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

13508768 is a wasteful number, since it uses less digits than its factorization.

13508768 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4669 (or 4661 counting only the distinct ones).

The product of its (nonzero) digits is 40320, while the sum is 38.

The square root of 13508768 is about 3675.4275941719. The cubic root of 13508768 is about 238.1616960185.

The spelling of 13508768 in words is "thirteen million, five hundred eight thousand, seven hundred sixty-eight".