12249388 has 12 divisors (see below), whose sum is σ = 21461440. Its totient is φ = 6117552.

The previous prime is 12249383. The next prime is 12249407. The reversal of 12249388 is 88394221.

It is not an unprimeable number, because it can be changed into a prime (12249383) by changing a digit.

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, 4645 + ... + 6787.

Almost surely, 2^12249388 is an apocalyptic number.

It is an amenable number.

12249388 is a deficient number, since it is larger than the sum of its proper divisors (9212052).

12249388 is a wasteful number, since it uses less digits than its factorization.

12249388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3576 (or 3574 counting only the distinct ones).

The product of its digits is 27648, while the sum is 37.

The square root of 12249388 is about 3499.9125703366. The cubic root of 12249388 is about 230.5179756451.

The spelling of 12249388 in words is "twelve million, two hundred forty-nine thousand, three hundred eighty-eight".