12330312 has 32 divisors (see below), whose sum is σ = 31822080. Its totient is φ = 3977280.

The previous prime is 12330301. The next prime is 12330313. The reversal of 12330312 is 21303321.

It is a junction number, because it is equal to n+sod(n) for n = 12330291 and 12330300.

It is not an unprimeable number, because it can be changed into a prime (12330313) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7543 + ... + 9030.

It is an arithmetic number, because the mean of its divisors is an integer number (994440).

Almost surely, 2^12330312 is an apocalyptic number.

12330312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12330312 is an abundant number, since it is smaller than the sum of its proper divisors (19491768).

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

12330312 is a wasteful number, since it uses less digits than its factorization.

12330312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16613 (or 16609 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 15.

The square root of 12330312 is about 3511.4543995330. The cubic root of 12330312 is about 231.0244909473.

Adding to 12330312 its reverse (21303321), we get a palindrome (33633633).

The spelling of 12330312 in words is "twelve million, three hundred thirty thousand, three hundred twelve".