12249238 has 8 divisors (see below), whose sum is σ = 18801288. Its totient is φ = 5982144.

The previous prime is 12249233. The next prime is 12249269. The reversal of 12249238 is 83294221.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12249233) 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, 71131 + ... + 71302.

It is an arithmetic number, because the mean of its divisors is an integer number (2350161).

Almost surely, 2^12249238 is an apocalyptic number.

12249238 is a deficient number, since it is larger than the sum of its proper divisors (6552050).

12249238 is a wasteful number, since it uses less digits than its factorization.

12249238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142478.

The product of its digits is 6912, while the sum is 31.

The square root of 12249238 is about 3499.8911411643. The cubic root of 12249238 is about 230.5170347046.

The spelling of 12249238 in words is "twelve million, two hundred forty-nine thousand, two hundred thirty-eight".