13664214 has 20 divisors (see below), whose sum is σ = 30618324. Its totient is φ = 4554684.

The previous prime is 13664159. The next prime is 13664219. The reversal of 13664214 is 41246631.

13664214 is a `hidden beast` number, since 1 + 3 + 6 + 642 + 14 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13664219) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 42012 + ... + 42335.

Almost surely, 2^13664214 is an apocalyptic number.

13664214 is an abundant number, since it is smaller than the sum of its proper divisors (16954110).

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

13664214 is an equidigital number, since it uses as much as digits as its factorization.

13664214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 84361 (or 84352 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 13664214 is about 3696.5137629935. The cubic root of 13664214 is about 239.0717267488.

The spelling of 13664214 in words is "thirteen million, six hundred sixty-four thousand, two hundred fourteen".