12736238 has 8 divisors (see below), whose sum is σ = 19122480. Its totient is φ = 6362080.

The previous prime is 12736223. The next prime is 12736253. The reversal of 12736238 is 83263721.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12736223) and next prime (12736253).

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

It is a congruent number.

It is an unprimeable number.

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, 383 + ... + 5061.

It is an arithmetic number, because the mean of its divisors is an integer number (2390310).

Almost surely, 2^12736238 is an apocalyptic number.

12736238 is a deficient number, since it is larger than the sum of its proper divisors (6386242).

12736238 is a wasteful number, since it uses less digits than its factorization.

12736238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6042.

The product of its digits is 12096, while the sum is 32.

The square root of 12736238 is about 3568.7866285336. The cubic root of 12736238 is about 233.5323531019.

Adding to 12736238 its reverse (83263721), we get a palindrome (95999959).

The spelling of 12736238 in words is "twelve million, seven hundred thirty-six thousand, two hundred thirty-eight".