12732685 has 16 divisors (see below), whose sum is σ = 18222336. Its totient is φ = 8350848.

The previous prime is 12732647. The next prime is 12732689. The reversal of 12732685 is 58623721.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 12732685 - 2⁷ = 12732557 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12732685.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12732689) 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, 7104 + ... + 8713.

It is an arithmetic number, because the mean of its divisors is an integer number (1138896).

Almost surely, 2^12732685 is an apocalyptic number.

It is an amenable number.

12732685 is a deficient number, since it is larger than the sum of its proper divisors (5489651).

12732685 is a wasteful number, since it uses less digits than its factorization.

12732685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15852.

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

The square root of 12732685 is about 3568.2888055761. The cubic root of 12732685 is about 233.5106350818.

The spelling of 12732685 in words is "twelve million, seven hundred thirty-two thousand, six hundred eighty-five".