13664366 has 16 divisors (see below), whose sum is σ = 21510528. Its totient is φ = 6501600.

The previous prime is 13664353. The next prime is 13664389. The reversal of 13664366 is 66346631.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1976 + ... + 5588.

It is an arithmetic number, because the mean of its divisors is an integer number (1344408).

Almost surely, 2^13664366 is an apocalyptic number.

13664366 is a deficient number, since it is larger than the sum of its proper divisors (7846162).

13664366 is a wasteful number, since it uses less digits than its factorization.

13664366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3707.

The product of its digits is 46656, while the sum is 35.

The square root of 13664366 is about 3696.5343228489. The cubic root of 13664366 is about 239.0726132193.

The spelling of 13664366 in words is "thirteen million, six hundred sixty-four thousand, three hundred sixty-six".