12328517 has 2 divisors, whose sum is σ = 12328518. Its totient is φ = 12328516.

The previous prime is 12328507. The next prime is 12328531. The reversal of 12328517 is 71582321.

12328517 is digitally balanced in base 2, 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., 12292036 + 36481 = 3506^2 + 191^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12328517 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12328517.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12328507) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6164258 + 6164259.

It is an arithmetic number, because the mean of its divisors is an integer number (6164259).

Almost surely, 2^12328517 is an apocalyptic number.

It is an amenable number.

12328517 is a deficient number, since it is larger than the sum of its proper divisors (1).

12328517 is an equidigital number, since it uses as much as digits as its factorization.

12328517 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3360, while the sum is 29.

The square root of 12328517 is about 3511.1987981315. The cubic root of 12328517 is about 231.0132798472.

The spelling of 12328517 in words is "twelve million, three hundred twenty-eight thousand, five hundred seventeen".