12644234 has 8 divisors (see below), whose sum is σ = 19964640. Its totient is φ = 5989356.

The previous prime is 12644213. The next prime is 12644237. The reversal of 12644234 is 43244621.

12644234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not an unprimeable number, because it can be changed into a prime (12644237) 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, 166334 + ... + 166409.

It is an arithmetic number, because the mean of its divisors is an integer number (2495580).

Almost surely, 2^12644234 is an apocalyptic number.

12644234 is a deficient number, since it is larger than the sum of its proper divisors (7320406).

12644234 is a wasteful number, since it uses less digits than its factorization.

12644234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 332764.

The product of its digits is 4608, while the sum is 26.

The square root of 12644234 is about 3555.8731698417. The cubic root of 12644234 is about 232.9686634716.

Adding to 12644234 its reverse (43244621), we get a palindrome (55888855).

The spelling of 12644234 in words is "twelve million, six hundred forty-four thousand, two hundred thirty-four".