12298321 has 4 divisors (see below), whose sum is σ = 14055232. Its totient is φ = 10541412.

The previous prime is 12298309. The next prime is 12298333. The reversal of 12298321 is 12389221.

12298321 is digitally balanced in base 2, 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, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is an interprime number because it is at equal distance from previous prime (12298309) and next prime (12298333).

It is not a de Polignac number, because 12298321 - 2¹³ = 12290129 is a prime.

It is a pancake number, because a pancake can be divided into 12298321 parts by 4959 straight cuts.

It is a Duffinian number.

It is a nialpdrome in base 16.

It is a self number, because there is not a number n which added to its sum of digits gives 12298321.

It is not an unprimeable number, because it can be changed into a prime (12298421) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 878445 + ... + 878458.

It is an arithmetic number, because the mean of its divisors is an integer number (3513808).

Almost surely, 2^12298321 is an apocalyptic number.

It is an amenable number.

12298321 is a deficient number, since it is larger than the sum of its proper divisors (1756911).

12298321 is an equidigital number, since it uses as much as digits as its factorization.

12298321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1756910.

The product of its digits is 1728, while the sum is 28.

The square root of 12298321 is about 3506.8962060489. The cubic root of 12298321 is about 230.8245201910.

The spelling of 12298321 in words is "twelve million, two hundred ninety-eight thousand, three hundred twenty-one".