12448238 has 12 divisors (see below), whose sum is σ = 20524560. Its totient is φ = 5658180.

The previous prime is 12448237. The next prime is 12448277. The reversal of 12448238 is 83284421.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12448237) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 25478 + ... + 25961.

It is an arithmetic number, because the mean of its divisors is an integer number (1710380).

Almost surely, 2^12448238 is an apocalyptic number.

12448238 is a deficient number, since it is larger than the sum of its proper divisors (8076322).

12448238 is a wasteful number, since it uses less digits than its factorization.

12448238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51463 (or 51452 counting only the distinct ones).

The product of its digits is 12288, while the sum is 32.

The square root of 12448238 is about 3528.2060597420. The cubic root of 12448238 is about 231.7586545886.

The spelling of 12448238 in words is "twelve million, four hundred forty-eight thousand, two hundred thirty-eight".