13538608 has 20 divisors (see below), whose sum is σ = 26315280. Its totient is φ = 6747584.

The previous prime is 13538597. The next prime is 13538627. The reversal of 13538608 is 80683531.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4566 + ... + 6922.

It is an arithmetic number, because the mean of its divisors is an integer number (1315764).

Almost surely, 2^13538608 is an apocalyptic number.

It is an amenable number.

13538608 is a deficient number, since it is larger than the sum of its proper divisors (12776672).

13538608 is a wasteful number, since it uses less digits than its factorization.

13538608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2724 (or 2718 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 13538608 is about 3679.4847465372. The cubic root of 13538608 is about 238.3369283476.

The spelling of 13538608 in words is "thirteen million, five hundred thirty-eight thousand, six hundred eight".