12863133 has 12 divisors (see below), whose sum is σ = 19558240. Its totient is φ = 8123976.

The previous prime is 12863117. The next prime is 12863173. The reversal of 12863133 is 33136821.

It is a happy number.

12863133 is a `hidden beast` number, since 1 + 28 + 631 + 3 + 3 = 666.

12863133 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12863133 - 2⁴ = 12863117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12863097 and 12863106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12863113) 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 in 11 ways as a sum of consecutive naturals, for example, 37441 + ... + 37782.

Almost surely, 2^12863133 is an apocalyptic number.

It is an amenable number.

12863133 is a deficient number, since it is larger than the sum of its proper divisors (6695107).

12863133 is a wasteful number, since it uses less digits than its factorization.

12863133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75248 (or 75245 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 12863133 is about 3586.5210162496. The cubic root of 12863133 is about 234.3053760127.

Adding to 12863133 its reverse (33136821), we get a palindrome (45999954).

It can be divided in two parts, 12863 and 133, that added together give a square (12996 = 114²).

The spelling of 12863133 in words is "twelve million, eight hundred sixty-three thousand, one hundred thirty-three".