12735238 has 16 divisors (see below), whose sum is σ = 20030976. Its totient is φ = 6061000.

The previous prime is 12735223. The next prime is 12735251. The reversal of 12735238 is 83253721.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10995 + ... + 12097.

It is an arithmetic number, because the mean of its divisors is an integer number (1251936).

Almost surely, 2^12735238 is an apocalyptic number.

12735238 is a deficient number, since it is larger than the sum of its proper divisors (7295738).

12735238 is a wasteful number, since it uses less digits than its factorization.

12735238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1379.

The product of its digits is 10080, while the sum is 31.

The square root of 12735238 is about 3568.6465221425. The cubic root of 12735238 is about 233.5262409238.

Adding to 12735238 its reverse (83253721), we get a palindrome (95988959).

The spelling of 12735238 in words is "twelve million, seven hundred thirty-five thousand, two hundred thirty-eight".