12105673 has 4 divisors (see below), whose sum is σ = 12523140. Its totient is φ = 11688208.

The previous prime is 12105647. The next prime is 12105733. The reversal of 12105673 is 37650121.

12105673 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37650121 = 17 ⋅2214713.

It can be written as a sum of positive squares in 2 ways, for example, as 10291264 + 1814409 = 3208^2 + 1347^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12105673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12105073) 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, 208690 + ... + 208747.

It is an arithmetic number, because the mean of its divisors is an integer number (3130785).

Almost surely, 2^12105673 is an apocalyptic number.

It is an amenable number.

12105673 is a deficient number, since it is larger than the sum of its proper divisors (417467).

12105673 is an equidigital number, since it uses as much as digits as its factorization.

12105673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 417466.

The product of its (nonzero) digits is 1260, while the sum is 25.

The square root of 12105673 is about 3479.3207670463. The cubic root of 12105673 is about 229.6129153888.

Adding to 12105673 its reverse (37650121), we get a palindrome (49755794).

The spelling of 12105673 in words is "twelve million, one hundred five thousand, six hundred seventy-three".