12768559 has 8 divisors (see below), whose sum is σ = 13229568. Its totient is φ = 12310680.

The previous prime is 12768517. The next prime is 12768583. The reversal of 12768559 is 95586721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12768559 - 2⁹ = 12768047 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 (12763559) 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 7 ways as a sum of consecutive naturals, for example, 10164 + ... + 11350.

It is an arithmetic number, because the mean of its divisors is an integer number (1653696).

Almost surely, 2^12768559 is an apocalyptic number.

12768559 is a deficient number, since it is larger than the sum of its proper divisors (461009).

12768559 is a wasteful number, since it uses less digits than its factorization.

12768559 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1565.

The product of its digits is 151200, while the sum is 43.

The square root of 12768559 is about 3573.3120490660. The cubic root of 12768559 is about 233.7297327696.

It can be divided in two parts, 127 and 68559, that added together give a palindrome (68686).

The spelling of 12768559 in words is "twelve million, seven hundred sixty-eight thousand, five hundred fifty-nine".