12318386 has 8 divisors (see below), whose sum is σ = 19281024. Its totient is φ = 5891380.

The previous prime is 12318379. The next prime is 12318413. The reversal of 12318386 is 68381321.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 133850 + ... + 133941.

It is an arithmetic number, because the mean of its divisors is an integer number (2410128).

Almost surely, 2^12318386 is an apocalyptic number.

12318386 is a deficient number, since it is larger than the sum of its proper divisors (6962638).

12318386 is a wasteful number, since it uses less digits than its factorization.

12318386 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267816.

The product of its digits is 6912, while the sum is 32.

The square root of 12318386 is about 3509.7558319632. The cubic root of 12318386 is about 230.9499838615.

The spelling of 12318386 in words is "twelve million, three hundred eighteen thousand, three hundred eighty-six".