12110643 has 6 divisors (see below), whose sum is σ = 17493164. Its totient is φ = 8073756.

The previous prime is 12110639. The next prime is 12110671. The reversal of 12110643 is 34601121.

It is a happy number.

12110643 is a `hidden beast` number, since 1 + 21 + 1 + 0 + 643 = 666.

It is not a de Polignac number, because 12110643 - 2² = 12110639 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12114643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 672805 + ... + 672822.

Almost surely, 2^12110643 is an apocalyptic number.

12110643 is a deficient number, since it is larger than the sum of its proper divisors (5382521).

12110643 is a wasteful number, since it uses less digits than its factorization.

12110643 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1345633 (or 1345630 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 12110643 is about 3480.0349136180. The cubic root of 12110643 is about 229.6443337179.

Adding to 12110643 its reverse (34601121), we get a palindrome (46711764).

The spelling of 12110643 in words is "twelve million, one hundred ten thousand, six hundred forty-three".