12643334 has 32 divisors (see below), whose sum is σ = 21555072. Its totient is φ = 5512000.

The previous prime is 12643313. The next prime is 12643349. The reversal of 12643334 is 43334621.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 96449 + ... + 96579.

It is an arithmetic number, because the mean of its divisors is an integer number (673596).

Almost surely, 2^12643334 is an apocalyptic number.

12643334 is a deficient number, since it is larger than the sum of its proper divisors (8911738).

12643334 is a wasteful number, since it uses less digits than its factorization.

12643334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 292.

The product of its digits is 5184, while the sum is 26.

The square root of 12643334 is about 3555.7466163944. The cubic root of 12643334 is about 232.9631358724.

Adding to 12643334 its reverse (43334621), we get a palindrome (55977955).

It can be divided in two parts, 12 and 643334, that added together give a palindrome (643346).

The spelling of 12643334 in words is "twelve million, six hundred forty-three thousand, three hundred thirty-four".