13613608 has 32 divisors (see below), whose sum is σ = 26832960. Its totient is φ = 6462720.

The previous prime is 13613591. The next prime is 13613609. The reversal of 13613608 is 80631631.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (13613609) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44191 + ... + 44497.

It is an arithmetic number, because the mean of its divisors is an integer number (838530).

Almost surely, 2^13613608 is an apocalyptic number.

It is an amenable number.

13613608 is a deficient number, since it is larger than the sum of its proper divisors (13219352).

13613608 is a wasteful number, since it uses less digits than its factorization.

13613608 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577 (or 573 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 28.

The square root of 13613608 is about 3689.6623151719. The cubic root of 13613608 is about 238.7762241965.

The spelling of 13613608 in words is "thirteen million, six hundred thirteen thousand, six hundred eight".