12008863 has 2 divisors, whose sum is σ = 12008864. Its totient is φ = 12008862.

The previous prime is 12008861. The next prime is 12008881. The reversal of 12008863 is 36880021.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12008863 - 2¹ = 12008861 is a prime.

Together with 12008861, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12008861) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6004431 + 6004432.

It is an arithmetic number, because the mean of its divisors is an integer number (6004432).

Almost surely, 2^12008863 is an apocalyptic number.

12008863 is a deficient number, since it is larger than the sum of its proper divisors (1).

12008863 is an equidigital number, since it uses as much as digits as its factorization.

12008863 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 12008863 is about 3465.3806428732. The cubic root of 12008863 is about 228.9991990971. Note that the first 3 decimals are identical.

Adding to 12008863 its reverse (36880021), we get a palindrome (48888884).

The spelling of 12008863 in words is "twelve million, eight thousand, eight hundred sixty-three".