12321308 has 12 divisors (see below), whose sum is σ = 21609000. Its totient is φ = 6147312.

The previous prime is 12321301. The next prime is 12321319. The reversal of 12321308 is 80312321.

It is a self number, because there is not a number n which added to its sum of digits gives 12321308.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321301) 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, 1091 + ... + 5082.

It is an arithmetic number, because the mean of its divisors is an integer number (1800750).

Almost surely, 2^12321308 is an apocalyptic number.

It is an amenable number.

12321308 is a deficient number, since it is larger than the sum of its proper divisors (9287692).

12321308 is a wasteful number, since it uses less digits than its factorization.

12321308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6676 (or 6674 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 12321308 is about 3510.1720755541. The cubic root of 12321308 is about 230.9682433560.

Adding to 12321308 its reverse (80312321), we get a palindrome (92633629).

The spelling of 12321308 in words is "twelve million, three hundred twenty-one thousand, three hundred eight".