12438833 has 4 divisors (see below), whose sum is σ = 13569648. Its totient is φ = 11308020.

The previous prime is 12438827. The next prime is 12438851. The reversal of 12438833 is 33883421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 12438833 - 2⁴ = 12438817 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 12438833.

It is not an unprimeable number, because it can be changed into a prime (12438823) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565391 + ... + 565412.

It is an arithmetic number, because the mean of its divisors is an integer number (3392412).

Almost surely, 2^12438833 is an apocalyptic number.

It is an amenable number.

12438833 is a deficient number, since it is larger than the sum of its proper divisors (1130815).

12438833 is a wasteful number, since it uses less digits than its factorization.

12438833 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130814.

The product of its digits is 13824, while the sum is 32.

The square root of 12438833 is about 3526.8729775823. The cubic root of 12438833 is about 231.7002731181.

It can be divided in two parts, 124388 and 33, that added together give a palindrome (124421).

The spelling of 12438833 in words is "twelve million, four hundred thirty-eight thousand, eight hundred thirty-three".