13611668 has 24 divisors (see below), whose sum is σ = 27556032. Its totient is φ = 5762304.

The previous prime is 13611659. The next prime is 13611673. The reversal of 13611668 is 86611631.

It is a congruent number.

It is an unprimeable number.

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, 605 + ... + 5252.

It is an arithmetic number, because the mean of its divisors is an integer number (1148168).

Almost surely, 2^13611668 is an apocalyptic number.

It is an amenable number.

13611668 is an abundant number, since it is smaller than the sum of its proper divisors (13944364).

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

13611668 is a wasteful number, since it uses less digits than its factorization.

13611668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5951 (or 5949 counting only the distinct ones).

The product of its digits is 5184, while the sum is 32.

The square root of 13611668 is about 3689.3994091180. The cubic root of 13611668 is about 238.7648814313.

The spelling of 13611668 in words is "thirteen million, six hundred eleven thousand, six hundred sixty-eight".