12444273 has 24 divisors (see below), whose sum is σ = 18895968. Its totient is φ = 8182944.

The previous prime is 12444251. The next prime is 12444281. The reversal of 12444273 is 37244421.

It is not a de Polignac number, because 12444273 - 2²⁰ = 11395697 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

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 23 ways as a sum of consecutive naturals, for example, 19861 + ... + 20477.

It is an arithmetic number, because the mean of its divisors is an integer number (787332).

Almost surely, 2^12444273 is an apocalyptic number.

It is an amenable number.

12444273 is a deficient number, since it is larger than the sum of its proper divisors (6451695).

12444273 is an frugal number, since it uses more digits than its factorization.

12444273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715 (or 703 counting only the distinct ones).

The product of its digits is 5376, while the sum is 27.

The square root of 12444273 is about 3527.6441147032. The cubic root of 12444273 is about 231.7340454659.

Adding to 12444273 its reverse (37244421), we get a palindrome (49688694).

The spelling of 12444273 in words is "twelve million, four hundred forty-four thousand, two hundred seventy-three".