12682165 has 8 divisors (see below), whose sum is σ = 15259320. Its totient is φ = 10118592.

The previous prime is 12682129. The next prime is 12682169. The reversal of 12682165 is 56128621.

It can be written as a sum of positive squares in 4 ways, for example, as 22801 + 12659364 = 151^2 + 3558^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12682165 - 2¹¹ = 12680117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12682169) 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 7 ways as a sum of consecutive naturals, for example, 1210 + ... + 5179.

It is an arithmetic number, because the mean of its divisors is an integer number (1907415).

Almost surely, 2^12682165 is an apocalyptic number.

It is an amenable number.

12682165 is a deficient number, since it is larger than the sum of its proper divisors (2577155).

12682165 is an equidigital number, since it uses as much as digits as its factorization.

12682165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6791.

The product of its digits is 5760, while the sum is 31.

The square root of 12682165 is about 3561.2027462642. The cubic root of 12682165 is about 233.2013891217.

The spelling of 12682165 in words is "twelve million, six hundred eighty-two thousand, one hundred sixty-five".