12384917 has 2 divisors, whose sum is σ = 12384918. Its totient is φ = 12384916.

The previous prime is 12384877. The next prime is 12384919. The reversal of 12384917 is 71948321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7540516 + 4844401 = 2746^2 + 2201^2 .

It is a cyclic number.

It is not a de Polignac number, because 12384917 - 2⁸ = 12384661 is a prime.

Together with 12384919, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12384919) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6192458 + 6192459.

It is an arithmetic number, because the mean of its divisors is an integer number (6192459).

Almost surely, 2^12384917 is an apocalyptic number.

It is an amenable number.

12384917 is a deficient number, since it is larger than the sum of its proper divisors (1).

12384917 is an equidigital number, since it uses as much as digits as its factorization.

12384917 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 35.

The square root of 12384917 is about 3519.2210785911. The cubic root of 12384917 is about 231.3650207451.

The spelling of 12384917 in words is "twelve million, three hundred eighty-four thousand, nine hundred seventeen".