12330247 has 2 divisors, whose sum is σ = 12330248. Its totient is φ = 12330246.

The previous prime is 12330209. The next prime is 12330251. The reversal of 12330247 is 74203321.

It is a strong prime.

It is an emirp because it is prime and its reverse (74203321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12330247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12330347) 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, 6165123 + 6165124.

It is an arithmetic number, because the mean of its divisors is an integer number (6165124).

Almost surely, 2^12330247 is an apocalyptic number.

12330247 is a deficient number, since it is larger than the sum of its proper divisors (1).

12330247 is an equidigital number, since it uses as much as digits as its factorization.

12330247 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1008, while the sum is 22.

The square root of 12330247 is about 3511.4451440967. The cubic root of 12330247 is about 231.0240849933.

Adding to 12330247 its reverse (74203321), we get a palindrome (86533568).

The spelling of 12330247 in words is "twelve million, three hundred thirty thousand, two hundred forty-seven".