12085417 has 2 divisors, whose sum is σ = 12085418. Its totient is φ = 12085416.

The previous prime is 12085397. The next prime is 12085429. The reversal of 12085417 is 71458021.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 10265616 + 1819801 = 3204^2 + 1349^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12085417 is a prime.

It is not a weakly prime, because it can be changed into another prime (12085457) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6042708 + 6042709.

It is an arithmetic number, because the mean of its divisors is an integer number (6042709).

Almost surely, 2^12085417 is an apocalyptic number.

It is an amenable number.

12085417 is a deficient number, since it is larger than the sum of its proper divisors (1).

12085417 is an equidigital number, since it uses as much as digits as its factorization.

12085417 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2240, while the sum is 28.

The square root of 12085417 is about 3476.4086353592. The cubic root of 12085417 is about 229.4847761335.

The spelling of 12085417 in words is "twelve million, eighty-five thousand, four hundred seventeen".