12166607 has 2 divisors, whose sum is σ = 12166608. Its totient is φ = 12166606.

The previous prime is 12166589. The next prime is 12166667. The reversal of 12166607 is 70666121.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12166607 - 2⁸ = 12166351 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12166607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12166667) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6083303 + 6083304.

It is an arithmetic number, because the mean of its divisors is an integer number (6083304).

Almost surely, 2^12166607 is an apocalyptic number.

12166607 is a deficient number, since it is larger than the sum of its proper divisors (1).

12166607 is an equidigital number, since it uses as much as digits as its factorization.

12166607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3024, while the sum is 29.

The square root of 12166607 is about 3488.0663697814. The cubic root of 12166607 is about 229.9975236028.

The spelling of 12166607 in words is "twelve million, one hundred sixty-six thousand, six hundred seven".