12249992 has 16 divisors (see below), whose sum is σ = 23138460. Its totient is φ = 6079744.

The previous prime is 12249989. The next prime is 12250009. The reversal of 12249992 is 29994221.

It can be written as a sum of positive squares in 2 ways, for example, as 11464996 + 784996 = 3386^2 + 886^2 .

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, 4493 + ... + 6684.

Almost surely, 2^12249992 is an apocalyptic number.

It is an amenable number.

12249992 is a deficient number, since it is larger than the sum of its proper divisors (10888468).

12249992 is a wasteful number, since it uses less digits than its factorization.

12249992 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11320 (or 11316 counting only the distinct ones).

The product of its digits is 23328, while the sum is 38.

The square root of 12249992 is about 3499.9988571427. The cubic root of 12249992 is about 230.5217644213.

The spelling of 12249992 in words is "twelve million, two hundred forty-nine thousand, nine hundred ninety-two".