12304217 has 2 divisors, whose sum is σ = 12304218. Its totient is φ = 12304216.

The previous prime is 12304181. The next prime is 12304219. The reversal of 12304217 is 71240321.

12304217 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11689561 + 614656 = 3419^2 + 784^2 .

It is a cyclic number.

It is not a de Polignac number, because 12304217 - 2⁸ = 12303961 is a prime.

Together with 12304219, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12304219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6152108 + 6152109.

It is an arithmetic number, because the mean of its divisors is an integer number (6152109).

Almost surely, 2^12304217 is an apocalyptic number.

It is an amenable number.

12304217 is a deficient number, since it is larger than the sum of its proper divisors (1).

12304217 is an equidigital number, since it uses as much as digits as its factorization.

12304217 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 336, while the sum is 20.

The square root of 12304217 is about 3507.7367347052. The cubic root of 12304217 is about 230.8614012131.

Adding to 12304217 its reverse (71240321), we get a palindrome (83544538).

It can be divided in two parts, 12304 and 217, that added together give a palindrome (12521).

The spelling of 12304217 in words is "twelve million, three hundred four thousand, two hundred seventeen".