12244191 has 4 divisors (see below), whose sum is σ = 16325592. Its totient is φ = 8162792.

The previous prime is 12244187. The next prime is 12244201. The reversal of 12244191 is 19144221.

12244191 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, and also an emirpimes, since its reverse is a distinct semiprime: 19144221 = 3 ⋅6381407.

It is a cyclic number.

It is not a de Polignac number, because 12244191 - 2² = 12244187 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12244181) 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, 2040696 + ... + 2040701.

It is an arithmetic number, because the mean of its divisors is an integer number (4081398).

Almost surely, 2^12244191 is an apocalyptic number.

12244191 is a deficient number, since it is larger than the sum of its proper divisors (4081401).

12244191 is an equidigital number, since it uses as much as digits as its factorization.

12244191 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4081400.

The product of its digits is 576, while the sum is 24.

The square root of 12244191 is about 3499.1700444534. The cubic root of 12244191 is about 230.4853707132.

The spelling of 12244191 in words is "twelve million, two hundred forty-four thousand, one hundred ninety-one".