12326321 has 8 divisors (see below), whose sum is σ = 14699904. Its totient is φ = 10105920.

The previous prime is 12326311. The next prime is 12326329. The reversal of 12326321 is 12362321.

It is a happy number.

12326321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 12326321 - 2⁶ = 12326257 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 12326293 and 12326302.

It is not an unprimeable number, because it can be changed into a prime (12326329) 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, 38120 + ... + 38441.

It is an arithmetic number, because the mean of its divisors is an integer number (1837488).

Almost surely, 2^12326321 is an apocalyptic number.

It is an amenable number.

12326321 is a deficient number, since it is larger than the sum of its proper divisors (2373583).

12326321 is an equidigital number, since it uses as much as digits as its factorization.

12326321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76591.

The product of its digits is 432, while the sum is 20.

The square root of 12326321 is about 3510.8860704956. The cubic root of 12326321 is about 230.9995627260. Note that the first 3 decimals are identical.

Adding to 12326321 its reverse (12362321), we get a palindrome (24688642).

The spelling of 12326321 in words is "twelve million, three hundred twenty-six thousand, three hundred twenty-one".