12242563 has 2 divisors, whose sum is σ = 12242564. Its totient is φ = 12242562.

The previous prime is 12242561. The next prime is 12242579. The reversal of 12242563 is 36524221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12242563 - 2¹ = 12242561 is a prime.

It is a super-3 number, since 3×12242563³ (a number of 22 digits) contains 333 as substring.

Together with 12242561, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12242561) 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, 6121281 + 6121282.

It is an arithmetic number, because the mean of its divisors is an integer number (6121282).

Almost surely, 2^12242563 is an apocalyptic number.

12242563 is a deficient number, since it is larger than the sum of its proper divisors (1).

12242563 is an equidigital number, since it uses as much as digits as its factorization.

12242563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2880, while the sum is 25.

The square root of 12242563 is about 3498.9374101290. The cubic root of 12242563 is about 230.4751550712.

Adding to 12242563 its reverse (36524221), we get a palindrome (48766784).

The spelling of 12242563 in words is "twelve million, two hundred forty-two thousand, five hundred sixty-three".