12808763 has 4 divisors (see below), whose sum is σ = 13973208. Its totient is φ = 11644320.

The previous prime is 12808751. The next prime is 12808777. The reversal of 12808763 is 36780821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12808763 - 2¹² = 12804667 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12808063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 582206 + ... + 582227.

It is an arithmetic number, because the mean of its divisors is an integer number (3493302).

Almost surely, 2^12808763 is an apocalyptic number.

12808763 is a deficient number, since it is larger than the sum of its proper divisors (1164445).

12808763 is a wasteful number, since it uses less digits than its factorization.

12808763 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1164444.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 12808763 is about 3578.9332209473. The cubic root of 12808763 is about 233.9747884786.

The spelling of 12808763 in words is "twelve million, eight hundred eight thousand, seven hundred sixty-three".