12686342 has 8 divisors (see below), whose sum is σ = 19083600. Its totient is φ = 6325144.

The previous prime is 12686341. The next prime is 12686389. The reversal of 12686342 is 24368621.

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

It is a junction number, because it is equal to n+sod(n) for n = 12686299 and 12686308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12686341) 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, 8117 + ... + 9552.

It is an arithmetic number, because the mean of its divisors is an integer number (2385450).

Almost surely, 2^12686342 is an apocalyptic number.

12686342 is a deficient number, since it is larger than the sum of its proper divisors (6397258).

12686342 is a wasteful number, since it uses less digits than its factorization.

12686342 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18030.

The product of its digits is 13824, while the sum is 32.

The square root of 12686342 is about 3561.7891571512. The cubic root of 12686342 is about 233.2269887277.

It can be divided in two parts, 126 and 86342, that added together give a palindrome (86468).

The spelling of 12686342 in words is "twelve million, six hundred eighty-six thousand, three hundred forty-two".