12321248 has 12 divisors (see below), whose sum is σ = 24257520. Its totient is φ = 6160608.

The previous prime is 12321247. The next prime is 12321289. The reversal of 12321248 is 84212321.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12321241) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 192488 + ... + 192551.

It is an arithmetic number, because the mean of its divisors is an integer number (2021460).

Almost surely, 2^12321248 is an apocalyptic number.

It is an amenable number.

12321248 is a deficient number, since it is larger than the sum of its proper divisors (11936272).

12321248 is an equidigital number, since it uses as much as digits as its factorization.

12321248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 385049 (or 385041 counting only the distinct ones).

The product of its digits is 768, while the sum is 23.

The square root of 12321248 is about 3510.1635289542. The cubic root of 12321248 is about 230.9678684467.

Adding to 12321248 its reverse (84212321), we get a palindrome (96533569).

The spelling of 12321248 in words is "twelve million, three hundred twenty-one thousand, two hundred forty-eight".