12442249 has 16 divisors (see below), whose sum is σ = 13723776. Its totient is φ = 11232000.

The previous prime is 12442237. The next prime is 12442259. The reversal of 12442249 is 94224421.

It is a cyclic number.

It is not a de Polignac number, because 12442249 - 2⁵ = 12442217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12442219) 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, 82324 + ... + 82474.

It is an arithmetic number, because the mean of its divisors is an integer number (857736).

Almost surely, 2^12442249 is an apocalyptic number.

It is an amenable number.

12442249 is a deficient number, since it is larger than the sum of its proper divisors (1281527).

12442249 is a wasteful number, since it uses less digits than its factorization.

12442249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336.

The product of its digits is 4608, while the sum is 28.

The square root of 12442249 is about 3527.3572260263. The cubic root of 12442249 is about 231.7214813159.

The spelling of 12442249 in words is "twelve million, four hundred forty-two thousand, two hundred forty-nine".