12165017 has 2 divisors, whose sum is σ = 12165018. Its totient is φ = 12165016.

The previous prime is 12165011. The next prime is 12165029. The reversal of 12165017 is 71056121.

12165017 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., 10686361 + 1478656 = 3269^2 + 1216^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12165017 is a prime.

It is a super-2 number, since 2×12165017² = 295975277220578, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 12164983 and 12165001.

It is not a weakly prime, because it can be changed into another prime (12165011) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6082508 + 6082509.

It is an arithmetic number, because the mean of its divisors is an integer number (6082509).

Almost surely, 2^12165017 is an apocalyptic number.

It is an amenable number.

12165017 is a deficient number, since it is larger than the sum of its proper divisors (1).

12165017 is an equidigital number, since it uses as much as digits as its factorization.

12165017 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 420, while the sum is 23.

The square root of 12165017 is about 3487.8384423594. The cubic root of 12165017 is about 229.9875040470.

The spelling of 12165017 in words is "twelve million, one hundred sixty-five thousand, seventeen".