12234638 has 16 divisors (see below), whose sum is σ = 19822320. Its totient is φ = 5630016.

The previous prime is 12234637. The next prime is 12234659. The reversal of 12234638 is 83643221.

It is a self number, because there is not a number n which added to its sum of digits gives 12234638.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12234631) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14381 + ... + 15207.

It is an arithmetic number, because the mean of its divisors is an integer number (1238895).

Almost surely, 2^12234638 is an apocalyptic number.

12234638 is a deficient number, since it is larger than the sum of its proper divisors (7587682).

12234638 is a wasteful number, since it uses less digits than its factorization.

12234638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1411.

The product of its digits is 6912, while the sum is 29.

The square root of 12234638 is about 3497.8047401192. The cubic root of 12234638 is about 230.4254130397.

Adding to 12234638 its reverse (83643221), we get a palindrome (95877859).

The spelling of 12234638 in words is "twelve million, two hundred thirty-four thousand, six hundred thirty-eight".