12687206 has 8 divisors (see below), whose sum is σ = 21749520. Its totient is φ = 5437368.

The previous prime is 12687179. The next prime is 12687209. The reversal of 12687206 is 60278621.

12687206 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12687209) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 453101 + ... + 453128.

It is an arithmetic number, because the mean of its divisors is an integer number (2718690).

Almost surely, 2^12687206 is an apocalyptic number.

12687206 is a deficient number, since it is larger than the sum of its proper divisors (9062314).

12687206 is an equidigital number, since it uses as much as digits as its factorization.

12687206 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 906238.

The product of its (nonzero) digits is 8064, while the sum is 32.

The square root of 12687206 is about 3561.9104424452. The cubic root of 12687206 is about 233.2322832285.

The spelling of 12687206 in words is "twelve million, six hundred eighty-seven thousand, two hundred six".