12444211 has 4 divisors (see below), whose sum is σ = 13401472. Its totient is φ = 11486952.

The previous prime is 12444193. The next prime is 12444239. The reversal of 12444211 is 11244421.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 11244421 = 47 ⋅239243.

It is a cyclic number.

It is not a de Polignac number, because 12444211 - 2¹¹ = 12442163 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12444251) 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, 478611 + ... + 478636.

It is an arithmetic number, because the mean of its divisors is an integer number (3350368).

Almost surely, 2^12444211 is an apocalyptic number.

12444211 is a deficient number, since it is larger than the sum of its proper divisors (957261).

12444211 is an equidigital number, since it uses as much as digits as its factorization.

12444211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957260.

The product of its digits is 256, while the sum is 19.

The square root of 12444211 is about 3527.6353269577. The cubic root of 12444211 is about 231.7336606159.

Adding to 12444211 its reverse (11244421), we get a palindrome (23688632).

The spelling of 12444211 in words is "twelve million, four hundred forty-four thousand, two hundred eleven".