12308563 has 2 divisors, whose sum is σ = 12308564. Its totient is φ = 12308562.

The previous prime is 12308539. The next prime is 12308573. The reversal of 12308563 is 36580321.

It is a strong prime.

It is an emirp because it is prime and its reverse (36580321) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12308563 is a prime.

It is not a weakly prime, because it can be changed into another prime (12308573) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6154281 + 6154282.

It is an arithmetic number, because the mean of its divisors is an integer number (6154282).

Almost surely, 2^12308563 is an apocalyptic number.

12308563 is a deficient number, since it is larger than the sum of its proper divisors (1).

12308563 is an equidigital number, since it uses as much as digits as its factorization.

12308563 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 12308563 is about 3508.3561677800. The cubic root of 12308563 is about 230.8885790374. Note that the first 3 decimals are identical.

Adding to 12308563 its reverse (36580321), we get a palindrome (48888884).

The spelling of 12308563 in words is "twelve million, three hundred eight thousand, five hundred sixty-three".