12321324 has 36 divisors (see below), whose sum is σ = 31678920. Its totient is φ = 4036800.

The previous prime is 12321319. The next prime is 12321341. The reversal of 12321324 is 42312321.

It is a tau number, because it is divible by the number of its divisors (36).

It is a super-2 number, since 2×12321324² = 303630050225952, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

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

It is a junction number, because it is equal to n+sod(n) for n = 12321297 and 12321306.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 777 + ... + 5024.

It is an arithmetic number, because the mean of its divisors is an integer number (879970).

Almost surely, 2^12321324 is an apocalyptic number.

It is an amenable number.

12321324 is an abundant number, since it is smaller than the sum of its proper divisors (19357596).

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

12321324 is a wasteful number, since it uses less digits than its factorization.

12321324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5870 (or 5865 counting only the distinct ones).

The product of its digits is 288, while the sum is 18.

The square root of 12321324 is about 3510.1743546439. The cubic root of 12321324 is about 230.9683433316.

Adding to 12321324 its reverse (42312321), we get a palindrome (54633645).

It can be divided in two parts, 12321 and 324, that multiplied together give a square (3992004 = 1998²).

The spelling of 12321324 in words is "twelve million, three hundred twenty-one thousand, three hundred twenty-four".