13916664 has 64 divisors (see below), whose sum is σ = 40704000. Its totient is φ = 4393440.

The previous prime is 13916657. The next prime is 13916677. The reversal of 13916664 is 46661931.

It is a Harshad number since it is a multiple of its sum of digits (36).

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 (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2409 + ... + 5799.

It is an arithmetic number, because the mean of its divisors is an integer number (636000).

Almost surely, 2^13916664 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 13916664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20352000).

13916664 is an abundant number, since it is smaller than the sum of its proper divisors (26787336).

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

13916664 is a wasteful number, since it uses less digits than its factorization.

13916664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3425 (or 3415 counting only the distinct ones).

The product of its digits is 23328, while the sum is 36.

The square root of 13916664 is about 3730.5045235196. The cubic root of 13916664 is about 240.5350562586.

The spelling of 13916664 in words is "thirteen million, nine hundred sixteen thousand, six hundred sixty-four".