12296391 has 4 divisors (see below), whose sum is σ = 16395192. Its totient is φ = 8197592.

The previous prime is 12296381. The next prime is 12296407. The reversal of 12296391 is 19369221.

12296391 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 12296391 - 2⁵ = 12296359 is a prime.

It is a congruent number.

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

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2049396 + ... + 2049401.

It is an arithmetic number, because the mean of its divisors is an integer number (4098798).

Almost surely, 2^12296391 is an apocalyptic number.

12296391 is a deficient number, since it is larger than the sum of its proper divisors (4098801).

12296391 is an equidigital number, since it uses as much as digits as its factorization.

12296391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4098800.

The product of its digits is 5832, while the sum is 33.

The square root of 12296391 is about 3506.6210231503. The cubic root of 12296391 is about 230.8124449755.

The spelling of 12296391 in words is "twelve million, two hundred ninety-six thousand, three hundred ninety-one".