12686275 has 12 divisors (see below), whose sum is σ = 17978512. Its totient is φ = 8699040.

The previous prime is 12686269. The next prime is 12686299. The reversal of 12686275 is 57268621.

It is a happy number.

It is not a de Polignac number, because 12686275 - 2⁷ = 12686147 is a prime.

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

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 11 ways as a sum of consecutive naturals, for example, 36072 + ... + 36421.

Almost surely, 2^12686275 is an apocalyptic number.

12686275 is a deficient number, since it is larger than the sum of its proper divisors (5292237).

12686275 is an equidigital number, since it uses as much as digits as its factorization.

12686275 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72510 (or 72505 counting only the distinct ones).

The product of its digits is 40320, while the sum is 37.

The square root of 12686275 is about 3561.7797517533. The cubic root of 12686275 is about 233.2265781487.

The spelling of 12686275 in words is "twelve million, six hundred eighty-six thousand, two hundred seventy-five".