12823765 has 16 divisors (see below), whose sum is σ = 16905600. Its totient is φ = 9294912.

The previous prime is 12823757. The next prime is 12823777. The reversal of 12823765 is 56732821.

It is a happy number.

12823765 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 12823765 - 2³ = 12823757 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12823765.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 750 + ... + 5119.

It is an arithmetic number, because the mean of its divisors is an integer number (1056600).

Almost surely, 2^12823765 is an apocalyptic number.

It is an amenable number.

12823765 is a deficient number, since it is larger than the sum of its proper divisors (4081835).

12823765 is a wasteful number, since it uses less digits than its factorization.

12823765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5916.

The product of its digits is 20160, while the sum is 34.

The square root of 12823765 is about 3581.0284835505. The cubic root of 12823765 is about 234.0660988910.

The spelling of 12823765 in words is "twelve million, eight hundred twenty-three thousand, seven hundred sixty-five".