13073666 has 8 divisors (see below), whose sum is σ = 19646220. Its totient is φ = 6524928.

The previous prime is 13073659. The next prime is 13073681. The reversal of 13073666 is 66637031.

It is a happy number.

13073666 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 12103441 + 970225 = 3479^2 + 985^2 .

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

It is a Curzon number.

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, 4511 + ... + 6818.

Almost surely, 2^13073666 is an apocalyptic number.

13073666 is a deficient number, since it is larger than the sum of its proper divisors (6572554).

13073666 is a wasteful number, since it uses less digits than its factorization.

13073666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11908.

The product of its (nonzero) digits is 13608, while the sum is 32.

The square root of 13073666 is about 3615.7524804665. The cubic root of 13073666 is about 235.5767694625.

The spelling of 13073666 in words is "thirteen million, seventy-three thousand, six hundred sixty-six".