12032321 has 8 divisors (see below), whose sum is σ = 13776960. Its totient is φ = 10294128.

The previous prime is 12032297. The next prime is 12032327. The reversal of 12032321 is 12323021.

It is a happy number.

12032321 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 12032321 - 2¹⁰ = 12031297 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 = 12032296 and 12032305.

It is not an unprimeable number, because it can be changed into a prime (12032327) 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, 3470 + ... + 6008.

It is an arithmetic number, because the mean of its divisors is an integer number (1722120).

Almost surely, 2^12032321 is an apocalyptic number.

It is an amenable number.

12032321 is a deficient number, since it is larger than the sum of its proper divisors (1744639).

12032321 is an equidigital number, since it uses as much as digits as its factorization.

12032321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3223.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 12032321 is about 3468.7636125859. The cubic root of 12032321 is about 229.1482104071.

Adding to 12032321 its reverse (12323021), we get a palindrome (24355342).

The spelling of 12032321 in words is "twelve million, thirty-two thousand, three hundred twenty-one".