12682287 has 12 divisors (see below), whose sum is σ = 18498064. Its totient is φ = 8372160.

The previous prime is 12682283. The next prime is 12682301. The reversal of 12682287 is 78228621.

It is a happy number.

It is not a de Polignac number, because 12682287 - 2² = 12682283 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12682283) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5914 + ... + 7767.

Almost surely, 2^12682287 is an apocalyptic number.

12682287 is a deficient number, since it is larger than the sum of its proper divisors (5815777).

12682287 is a wasteful number, since it uses less digits than its factorization.

12682287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13790 (or 13787 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 12682287 is about 3561.2198752675. The cubic root of 12682287 is about 233.2021369036.

The spelling of 12682287 in words is "twelve million, six hundred eighty-two thousand, two hundred eighty-seven".