12442199 has 16 divisors (see below), whose sum is σ = 15590400. Its totient is φ = 9646560.

The previous prime is 12442163. The next prime is 12442201. The reversal of 12442199 is 99124421.

It is not a de Polignac number, because 12442199 - 2²⁰ = 11393623 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12442139) 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, 26642 + ... + 27104.

It is an arithmetic number, because the mean of its divisors is an integer number (974400).

Almost surely, 2^12442199 is an apocalyptic number.

12442199 is a deficient number, since it is larger than the sum of its proper divisors (3148201).

12442199 is a wasteful number, since it uses less digits than its factorization.

12442199 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 830.

The product of its digits is 5184, while the sum is 32.

The square root of 12442199 is about 3527.3501385601. The cubic root of 12442199 is about 231.7211709194.

It can be divided in two parts, 1244 and 2199, that added together give a palindrome (3443).

The spelling of 12442199 in words is "twelve million, four hundred forty-two thousand, one hundred ninety-nine".