12066917 has 2 divisors, whose sum is σ = 12066918. Its totient is φ = 12066916.

The previous prime is 12066913. The next prime is 12066937. The reversal of 12066917 is 71966021.

It is a happy number.

12066917 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10233601 + 1833316 = 3199^2 + 1354^2 .

It is a cyclic number.

It is not a de Polignac number, because 12066917 - 2² = 12066913 is a prime.

It is a super-2 number, since 2×12066917² = 291220971769778, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12066911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6033458 + 6033459.

It is an arithmetic number, because the mean of its divisors is an integer number (6033459).

Almost surely, 2^12066917 is an apocalyptic number.

It is an amenable number.

12066917 is a deficient number, since it is larger than the sum of its proper divisors (1).

12066917 is an equidigital number, since it uses as much as digits as its factorization.

12066917 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 12066917 is about 3473.7468243958. The cubic root of 12066917 is about 229.3676201572.

The spelling of 12066917 in words is "twelve million, sixty-six thousand, nine hundred seventeen".