12863803 has 2 divisors, whose sum is σ = 12863804. Its totient is φ = 12863802.

The previous prime is 12863801. The next prime is 12863813. The reversal of 12863803 is 30836821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12863803 - 2¹ = 12863801 is a prime.

Together with 12863801, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (12863801) 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, 6431901 + 6431902.

It is an arithmetic number, because the mean of its divisors is an integer number (6431902).

Almost surely, 2^12863803 is an apocalyptic number.

12863803 is a deficient number, since it is larger than the sum of its proper divisors (1).

12863803 is an equidigital number, since it uses as much as digits as its factorization.

12863803 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 12863803 is about 3586.6144203134. The cubic root of 12863803 is about 234.3094440179.

Multiplying 12863803 by its sum of digits (31), we get a palindrome (398777893).

The spelling of 12863803 in words is "twelve million, eight hundred sixty-three thousand, eight hundred three".