13664930 has 8 divisors (see below), whose sum is σ = 24596892. Its totient is φ = 5465968.

The previous prime is 13664929. The next prime is 13664953. The reversal of 13664930 is 3946631.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 13010449 + 654481 = 3607^2 + 809^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 683237 + ... + 683256.

Almost surely, 2^13664930 is an apocalyptic number.

13664930 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13664930 is a deficient number, since it is larger than the sum of its proper divisors (10931962).

13664930 is a wasteful number, since it uses less digits than its factorization.

13664930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1366500.

The product of its (nonzero) digits is 11664, while the sum is 32.

The square root of 13664930 is about 3696.6106097343. The cubic root of 13664930 is about 239.0759024340.

The spelling of 13664930 in words is "thirteen million, six hundred sixty-four thousand, nine hundred thirty".