12066717 has 8 divisors (see below), whose sum is σ = 17326624. Its totient is φ = 7425648.

The previous prime is 12066713. The next prime is 12066721. The reversal of 12066717 is 71766021.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12066713) and next prime (12066721).

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

It is not a de Polignac number, because 12066717 - 2² = 12066713 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12066713) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 154663 + ... + 154740.

It is an arithmetic number, because the mean of its divisors is an integer number (2165828).

Almost surely, 2^12066717 is an apocalyptic number.

It is an amenable number.

12066717 is a deficient number, since it is larger than the sum of its proper divisors (5259907).

12066717 is a wasteful number, since it uses less digits than its factorization.

12066717 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309419.

The product of its (nonzero) digits is 3528, while the sum is 30.

The square root of 12066717 is about 3473.7180369166. The cubic root of 12066717 is about 229.3663529521.

The spelling of 12066717 in words is "twelve million, sixty-six thousand, seven hundred seventeen".