12686065 has 8 divisors (see below), whose sum is σ = 17398080. Its totient is φ = 8698992.

The previous prime is 12686059. The next prime is 12686081. The reversal of 12686065 is 56068621.

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 12686065 - 2¹⁹ = 12161777 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12686065.

It is an unprimeable number.

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, 181195 + ... + 181264.

It is an arithmetic number, because the mean of its divisors is an integer number (2174760).

Almost surely, 2^12686065 is an apocalyptic number.

It is an amenable number.

12686065 is a deficient number, since it is larger than the sum of its proper divisors (4712015).

12686065 is an equidigital number, since it uses as much as digits as its factorization.

12686065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 362471.

The product of its (nonzero) digits is 17280, while the sum is 34.

The square root of 12686065 is about 3561.7502719871. The cubic root of 12686065 is about 233.2252912500.

The spelling of 12686065 in words is "twelve million, six hundred eighty-six thousand, sixty-five".