12345863 has 2 divisors, whose sum is σ = 12345864. Its totient is φ = 12345862.

The previous prime is 12345847. The next prime is 12345887. The reversal of 12345863 is 36854321.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12345863 - 2⁴ = 12345847 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12345803) 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, 6172931 + 6172932.

It is an arithmetic number, because the mean of its divisors is an integer number (6172932).

Almost surely, 2^12345863 is an apocalyptic number.

12345863 is a deficient number, since it is larger than the sum of its proper divisors (1).

12345863 is an equidigital number, since it uses as much as digits as its factorization.

12345863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 32.

The square root of 12345863 is about 3513.6680264362. The cubic root of 12345863 is about 231.1215729071.

The spelling of 12345863 in words is "twelve million, three hundred forty-five thousand, eight hundred sixty-three".