12788563 has 2 divisors, whose sum is σ = 12788564. Its totient is φ = 12788562.

The previous prime is 12788543. The next prime is 12788579. The reversal of 12788563 is 36588721.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12788563 is a prime.

It is not a weakly prime, because it can be changed into another prime (12788513) 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, 6394281 + 6394282.

It is an arithmetic number, because the mean of its divisors is an integer number (6394282).

Almost surely, 2^12788563 is an apocalyptic number.

12788563 is a deficient number, since it is larger than the sum of its proper divisors (1).

12788563 is an equidigital number, since it uses as much as digits as its factorization.

12788563 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 80640, while the sum is 40.

The square root of 12788563 is about 3576.1100374569. The cubic root of 12788563 is about 233.8517274818.

The spelling of 12788563 in words is "twelve million, seven hundred eighty-eight thousand, five hundred sixty-three".