12107643 has 8 divisors (see below), whose sum is σ = 16160256. Its totient is φ = 8063400.

The previous prime is 12107629. The next prime is 12107647. The reversal of 12107643 is 34670121.

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

It is not a de Polignac number, because 12107643 - 2⁸ = 12107387 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12107647) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3198 + ... + 5868.

It is an arithmetic number, because the mean of its divisors is an integer number (2020032).

Almost surely, 2^12107643 is an apocalyptic number.

12107643 is a deficient number, since it is larger than the sum of its proper divisors (4052613).

12107643 is a wasteful number, since it uses less digits than its factorization.

12107643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4185.

The product of its (nonzero) digits is 1008, while the sum is 24.

The square root of 12107643 is about 3479.6038567630. The cubic root of 12107643 is about 229.6253699602.

Adding to 12107643 its reverse (34670121), we get a palindrome (46777764).

The spelling of 12107643 in words is "twelve million, one hundred seven thousand, six hundred forty-three".