12764765 has 16 divisors (see below), whose sum is σ = 16883328. Its totient is φ = 9205056.

The previous prime is 12764761. The next prime is 12764767. The reversal of 12764765 is 56746721.

12764765 is digitally balanced in base 2, 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 12764765 - 2² = 12764761 is a prime.

It is a Smith number, since the sum of its digits (38) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12764761) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 512 + ... + 5078.

It is an arithmetic number, because the mean of its divisors is an integer number (1055208).

Almost surely, 2^12764765 is an apocalyptic number.

It is an amenable number.

12764765 is a deficient number, since it is larger than the sum of its proper divisors (4118563).

12764765 is a wasteful number, since it uses less digits than its factorization.

12764765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4628.

The product of its digits is 70560, while the sum is 38.

The square root of 12764765 is about 3572.7811295964. The cubic root of 12764765 is about 233.7065806281.

The spelling of 12764765 in words is "twelve million, seven hundred sixty-four thousand, seven hundred sixty-five".