12045673 has 4 divisors (see below), whose sum is σ = 12754260. Its totient is φ = 11337088.

The previous prime is 12045661. The next prime is 12045689. The reversal of 12045673 is 37654021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 37654021 = 337 ⋅111733.

It can be written as a sum of positive squares in 2 ways, for example, as 5139289 + 6906384 = 2267^2 + 2628^2 .

It is a cyclic number.

It is not a de Polignac number, because 12045673 - 2⁵ = 12045641 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12045623) 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, 354268 + ... + 354301.

It is an arithmetic number, because the mean of its divisors is an integer number (3188565).

Almost surely, 2^12045673 is an apocalyptic number.

It is an amenable number.

12045673 is a deficient number, since it is larger than the sum of its proper divisors (708587).

12045673 is an equidigital number, since it uses as much as digits as its factorization.

12045673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 708586.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 12045673 is about 3470.6876840188. The cubic root of 12045673 is about 229.2329393048.

Adding to 12045673 its reverse (37654021), we get a palindrome (49699694).

The spelling of 12045673 in words is "twelve million, forty-five thousand, six hundred seventy-three".