12343986 has 24 divisors (see below), whose sum is σ = 27316224. Its totient is φ = 4026840.

The previous prime is 12343979. The next prime is 12344041. The reversal of 12343986 is 68934321.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 12343986.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6450 + ... + 8141.

It is an arithmetic number, because the mean of its divisors is an integer number (1138176).

Almost surely, 2^12343986 is an apocalyptic number.

12343986 is an abundant number, since it is smaller than the sum of its proper divisors (14972238).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12343986 is a wasteful number, since it uses less digits than its factorization.

12343986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14646 (or 14643 counting only the distinct ones).

The product of its digits is 31104, while the sum is 36.

The square root of 12343986 is about 3513.4009164910. The cubic root of 12343986 is about 231.1098594778.

The spelling of 12343986 in words is "twelve million, three hundred forty-three thousand, nine hundred eighty-six".