12017238 has 32 divisors (see below), whose sum is σ = 24796800. Its totient is φ = 3880896.

The previous prime is 12017237. The next prime is 12017263. The reversal of 12017238 is 83271021.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12017231) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29178 + ... + 29586.

It is an arithmetic number, because the mean of its divisors is an integer number (774900).

Almost surely, 2^12017238 is an apocalyptic number.

12017238 is an abundant number, since it is smaller than the sum of its proper divisors (12779562).

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

12017238 is a wasteful number, since it uses less digits than its factorization.

12017238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 556.

The product of its (nonzero) digits is 672, while the sum is 24.

The square root of 12017238 is about 3466.5888132284. The cubic root of 12017238 is about 229.0524215275.

Adding to 12017238 its reverse (83271021), we get a palindrome (95288259).

The spelling of 12017238 in words is "twelve million, seventeen thousand, two hundred thirty-eight".