12826863 has 16 divisors (see below), whose sum is σ = 21717760. Its totient is φ = 7329528.

The previous prime is 12826861. The next prime is 12826871. The reversal of 12826863 is 36862821.

It is not a de Polignac number, because 12826863 - 2¹ = 12826861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12826861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33745 + ... + 34122.

It is an arithmetic number, because the mean of its divisors is an integer number (1357360).

Almost surely, 2^12826863 is an apocalyptic number.

12826863 is a deficient number, since it is larger than the sum of its proper divisors (8890897).

12826863 is an equidigital number, since it uses as much as digits as its factorization.

12826863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67883 (or 67877 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 12826863 is about 3581.4610147257. The cubic root of 12826863 is about 234.0849461481.

It can be divided in two parts, 12826 and 863, that added together give a square (13689 = 117²).

The spelling of 12826863 in words is "twelve million, eight hundred twenty-six thousand, eight hundred sixty-three".