13666912 has 96 divisors (see below), whose sum is σ = 33784128. Its totient is φ = 5308416.

The previous prime is 13666889. The next prime is 13666927. The reversal of 13666912 is 21966631.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 140848 + ... + 140944.

It is an arithmetic number, because the mean of its divisors is an integer number (351918).

Almost surely, 2^13666912 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 13666912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16892064).

13666912 is an abundant number, since it is smaller than the sum of its proper divisors (20117216).

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

13666912 is a wasteful number, since it uses less digits than its factorization.

13666912 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 160 counting only the distinct ones).

The product of its digits is 11664, while the sum is 34.

The square root of 13666912 is about 3696.8786834301. The cubic root of 13666912 is about 239.0874606230.

The spelling of 13666912 in words is "thirteen million, six hundred sixty-six thousand, nine hundred twelve".