12852765 has 48 divisors (see below), whose sum is σ = 24109488. Its totient is φ = 6309888.

The previous prime is 12852751. The next prime is 12852767. The reversal of 12852765 is 56725821.

It is a happy number.

12852765 is a `hidden beast` number, since 128 + 527 + 6 + 5 = 666.

It can be written as a sum of positive squares in 8 ways, for example, as 86436 + 12766329 = 294^2 + 3573^2 .

It is not a de Polignac number, because 12852765 - 2⁶ = 12852701 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12852767) 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 47 ways as a sum of consecutive naturals, for example, 40387 + ... + 40703.

It is an arithmetic number, because the mean of its divisors is an integer number (502281).

Almost surely, 2^12852765 is an apocalyptic number.

12852765 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12852765 is a deficient number, since it is larger than the sum of its proper divisors (11256723).

12852765 is a wasteful number, since it uses less digits than its factorization.

12852765 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 398 (or 395 counting only the distinct ones).

The product of its digits is 33600, while the sum is 36.

The square root of 12852765 is about 3585.0753130165. The cubic root of 12852765 is about 234.2424071358.

The spelling of 12852765 in words is "twelve million, eight hundred fifty-two thousand, seven hundred sixty-five".