12336643 has 16 divisors (see below), whose sum is σ = 14394240. Its totient is φ = 10454400.

The previous prime is 12336641. The next prime is 12336647. The reversal of 12336643 is 34663321.

12336643 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12336643 - 2¹ = 12336641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12336641) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13563 + ... + 14443.

It is an arithmetic number, because the mean of its divisors is an integer number (899640).

Almost surely, 2^12336643 is an apocalyptic number.

12336643 is a deficient number, since it is larger than the sum of its proper divisors (2057597).

12336643 is a wasteful number, since it uses less digits than its factorization.

12336643 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 978.

The product of its digits is 7776, while the sum is 28.

The square root of 12336643 is about 3512.3557621631. The cubic root of 12336643 is about 231.0640240318.

Adding to 12336643 its reverse (34663321), we get a palindrome (46999964).

The spelling of 12336643 in words is "twelve million, three hundred thirty-six thousand, six hundred forty-three".