12686007 has 4 divisors (see below), whose sum is σ = 16914680. Its totient is φ = 8457336.

The previous prime is 12685991. The next prime is 12686017. The reversal of 12686007 is 70068621.

It is a happy number.

12686007 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12686007 - 2⁴ = 12685991 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 (12686017) 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, 2114332 + ... + 2114337.

It is an arithmetic number, because the mean of its divisors is an integer number (4228670).

Almost surely, 2^12686007 is an apocalyptic number.

12686007 is a deficient number, since it is larger than the sum of its proper divisors (4228673).

12686007 is an equidigital number, since it uses as much as digits as its factorization.

12686007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4228672.

The product of its (nonzero) digits is 4032, while the sum is 30.

The square root of 12686007 is about 3561.7421299134. The cubic root of 12686007 is about 233.2249358184.

The spelling of 12686007 in words is "twelve million, six hundred eighty-six thousand, seven".