12444243 has 16 divisors (see below), whose sum is σ = 19405056. Its totient is φ = 6945120.

The previous prime is 12444239. The next prime is 12444251. The reversal of 12444243 is 34244421.

It is a happy number.

It is not a de Polignac number, because 12444243 - 2² = 12444239 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12444283) 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, 5988 + ... + 7793.

It is an arithmetic number, because the mean of its divisors is an integer number (1212816).

Almost surely, 2^12444243 is an apocalyptic number.

12444243 is a deficient number, since it is larger than the sum of its proper divisors (6960813).

12444243 is a wasteful number, since it uses less digits than its factorization.

12444243 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13834.

The product of its digits is 3072, while the sum is 24.

The square root of 12444243 is about 3527.6398625710. The cubic root of 12444243 is about 231.7338592483.

Adding to 12444243 its reverse (34244421), we get a palindrome (46688664).

The spelling of 12444243 in words is "twelve million, four hundred forty-four thousand, two hundred forty-three".