12296321 has 16 divisors (see below), whose sum is σ = 13567824. Its totient is φ = 11096064.

The previous prime is 12296299. The next prime is 12296341. The reversal of 12296321 is 12369221.

12296321 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 8 ways, for example, as 1000000 + 11296321 = 1000^2 + 3361^2 .

It is a cyclic number.

It is not a de Polignac number, because 12296321 - 2⁶ = 12296257 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12296341) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 70991 + ... + 71163.

It is an arithmetic number, because the mean of its divisors is an integer number (847989).

Almost surely, 2^12296321 is an apocalyptic number.

It is an amenable number.

12296321 is a deficient number, since it is larger than the sum of its proper divisors (1271503).

12296321 is a wasteful number, since it uses less digits than its factorization.

12296321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 340.

The product of its digits is 1296, while the sum is 26.

The square root of 12296321 is about 3506.6110420176. The cubic root of 12296321 is about 230.8120069906.

Subtracting 12296321 from its reverse (12369221), we obtain a square (72900 = 270²).

The spelling of 12296321 in words is "twelve million, two hundred ninety-six thousand, three hundred twenty-one".