12805063 has 12 divisors (see below), whose sum is σ = 13884048. Its totient is φ = 11766720.

The previous prime is 12805061. The next prime is 12805073. The reversal of 12805063 is 36050821.

It is a happy number.

It is not a de Polignac number, because 12805063 - 2¹ = 12805061 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 (12805061) 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 11 ways as a sum of consecutive naturals, for example, 124270 + ... + 124372.

It is an arithmetic number, because the mean of its divisors is an integer number (1157004).

Almost surely, 2^12805063 is an apocalyptic number.

12805063 is a deficient number, since it is larger than the sum of its proper divisors (1078985).

12805063 is an equidigital number, since it uses as much as digits as its factorization.

12805063 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294 (or 191 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 12805063 is about 3578.4162698043. The cubic root of 12805063 is about 233.9522572868.

Adding to 12805063 its reverse (36050821), we get a palindrome (48855884).

The spelling of 12805063 in words is "twelve million, eight hundred five thousand, sixty-three".