13668584 has 8 divisors (see below), whose sum is σ = 25628610. Its totient is φ = 6834288.

The previous prime is 13668583. The next prime is 13668631. The reversal of 13668584 is 48586631.

It can be written as a sum of positive squares in only one way, i.e., 7022500 + 6646084 = 2650^2 + 2578^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (13668583) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 854279 + ... + 854294.

Almost surely, 2^13668584 is an apocalyptic number.

It is an amenable number.

13668584 is a deficient number, since it is larger than the sum of its proper divisors (11960026).

13668584 is a wasteful number, since it uses less digits than its factorization.

13668584 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1708579 (or 1708575 counting only the distinct ones).

The product of its digits is 138240, while the sum is 41.

The square root of 13668584 is about 3697.1048132289. The cubic root of 13668584 is about 239.0972101537.

The spelling of 13668584 in words is "thirteen million, six hundred sixty-eight thousand, five hundred eighty-four".