12746765 has 16 divisors (see below), whose sum is σ = 15769728. Its totient is φ = 9886656.

The previous prime is 12746737. The next prime is 12746771. The reversal of 12746765 is 56764721.

It is a cyclic number.

It is not a de Polignac number, because 12746765 - 2⁸ = 12746509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27062 + ... + 27528.

It is an arithmetic number, because the mean of its divisors is an integer number (985608).

Almost surely, 2^12746765 is an apocalyptic number.

It is an amenable number.

12746765 is a deficient number, since it is larger than the sum of its proper divisors (3022963).

12746765 is a wasteful number, since it uses less digits than its factorization.

12746765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 628.

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

The square root of 12746765 is about 3570.2611949268. The cubic root of 12746765 is about 233.5966765982.

The spelling of 12746765 in words is "twelve million, seven hundred forty-six thousand, seven hundred sixty-five".