13927664 has 10 divisors (see below), whose sum is σ = 26984880. Its totient is φ = 6963824.

The previous prime is 13927663. The next prime is 13927679. The reversal of 13927664 is 46672931.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13927663) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 435224 + ... + 435255.

It is an arithmetic number, because the mean of its divisors is an integer number (2698488).

Almost surely, 2^13927664 is an apocalyptic number.

It is an amenable number.

13927664 is a deficient number, since it is larger than the sum of its proper divisors (13057216).

13927664 is an equidigital number, since it uses as much as digits as its factorization.

13927664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 870487 (or 870481 counting only the distinct ones).

The product of its digits is 54432, while the sum is 38.

The square root of 13927664 is about 3731.9785637112. The cubic root of 13927664 is about 240.5984140864.

The spelling of 13927664 in words is "thirteen million, nine hundred twenty-seven thousand, six hundred sixty-four".