12321244 has 12 divisors (see below), whose sum is σ = 23220904. Its totient is φ = 5686704.

The previous prime is 12321241. The next prime is 12321247. The reversal of 12321244 is 44212321.

It is an interprime number because it is at equal distance from previous prime (12321241) and next prime (12321247).

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 118422 + ... + 118525.

Almost surely, 2^12321244 is an apocalyptic number.

It is an amenable number.

12321244 is a deficient number, since it is larger than the sum of its proper divisors (10899660).

12321244 is a wasteful number, since it uses less digits than its factorization.

12321244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236964 (or 236962 counting only the distinct ones).

The product of its digits is 384, while the sum is 19.

The square root of 12321244 is about 3510.1629591801. The cubic root of 12321244 is about 230.9678434527.

Adding to 12321244 its reverse (44212321), we get a palindrome (56533565).

It can be divided in two parts, 123212 and 44, that added together give a triangular number (123256 = T₄₉₆).

The spelling of 12321244 in words is "twelve million, three hundred twenty-one thousand, two hundred forty-four".