13661184 has 44 divisors (see below), whose sum is σ = 36420224. Its totient is φ = 4552704.

The previous prime is 13661083. The next prime is 13661191. The reversal of 13661184 is 48116631.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 849 + ... + 5295.

Almost surely, 2^13661184 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 13661184, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18210112).

13661184 is an abundant number, since it is smaller than the sum of its proper divisors (22759040).

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

13661184 is an equidigital number, since it uses as much as digits as its factorization.

13661184 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4470 (or 4452 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 13661184 is about 3696.1038946437. The cubic root of 13661184 is about 239.0540542875.

The spelling of 13661184 in words is "thirteen million, six hundred sixty-one thousand, one hundred eighty-four".