12479238 has 32 divisors (see below), whose sum is σ = 29193600. Its totient is φ = 3940488.

The previous prime is 12479237. The next prime is 12479261. The reversal of 12479238 is 83297421.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12479231) 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 15 ways as a sum of consecutive naturals, for example, 5056 + ... + 7107.

It is an arithmetic number, because the mean of its divisors is an integer number (912300).

Almost surely, 2^12479238 is an apocalyptic number.

12479238 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12479238 is an abundant number, since it is smaller than the sum of its proper divisors (16714362).

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

12479238 is a wasteful number, since it uses less digits than its factorization.

12479238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12193 (or 12187 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 12479238 is about 3532.5964954973. The cubic root of 12479238 is about 231.9508789187.

The spelling of 12479238 in words is "twelve million, four hundred seventy-nine thousand, two hundred thirty-eight".