12318192 has 60 divisors (see below), whose sum is σ = 34790184. Its totient is φ = 4068480.

The previous prime is 12318143. The next prime is 12318193. The reversal of 12318192 is 29181321.

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12318193) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 18538 + ... + 19190.

Almost surely, 2^12318192 is an apocalyptic number.

12318192 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12318192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17395092).

12318192 is an abundant number, since it is smaller than the sum of its proper divisors (22471992).

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

12318192 is a wasteful number, since it uses less digits than its factorization.

12318192 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 798 (or 789 counting only the distinct ones).

The product of its digits is 864, while the sum is 27.

The square root of 12318192 is about 3509.7281946042. The cubic root of 12318192 is about 230.9487714589.

The spelling of 12318192 in words is "twelve million, three hundred eighteen thousand, one hundred ninety-two".