12249244 has 12 divisors (see below), whose sum is σ = 24498544. Its totient is φ = 5249664.

The previous prime is 12249233. The next prime is 12249269. The reversal of 12249244 is 44294221.

12249244 is an admirable number.

It is a Harshad number since it is a multiple of its sum of digits (28), and also a Moran number because the ratio is a prime number: 437473 = 12249244 / (1 + 2 + 2 + 4 + 9 + 2 + 4 + 4).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 218709 + ... + 218764.

Almost surely, 2^12249244 is an apocalyptic number.

12249244 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

12249244 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12249244 is a wasteful number, since it uses less digits than its factorization.

12249244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 437484 (or 437482 counting only the distinct ones).

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

The square root of 12249244 is about 3499.8919983337. The cubic root of 12249244 is about 230.5170723423.

The spelling of 12249244 in words is "twelve million, two hundred forty-nine thousand, two hundred forty-four".