12768789 has 16 divisors (see below), whose sum is σ = 18768960. Its totient is φ = 7656960.

The previous prime is 12768781. The next prime is 12768797. The reversal of 12768789 is 98786721.

It is an interprime number because it is at equal distance from previous prime (12768781) and next prime (12768797).

It is not a de Polignac number, because 12768789 - 2³ = 12768781 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12768781) 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 15 ways as a sum of consecutive naturals, for example, 1207 + ... + 5195.

It is an arithmetic number, because the mean of its divisors is an integer number (1173060).

Almost surely, 2^12768789 is an apocalyptic number.

It is an amenable number.

12768789 is a deficient number, since it is larger than the sum of its proper divisors (6000171).

12768789 is a wasteful number, since it uses less digits than its factorization.

12768789 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4100.

The product of its digits is 338688, while the sum is 48.

The square root of 12768789 is about 3573.3442319486. The cubic root of 12768789 is about 233.7311361520.

The spelling of 12768789 in words is "twelve million, seven hundred sixty-eight thousand, seven hundred eighty-nine".