12080845 has 16 divisors (see below), whose sum is σ = 16668288. Its totient is φ = 8233920.

The previous prime is 12080821. The next prime is 12080851. The reversal of 12080845 is 54808021.

It is not a de Polignac number, because 12080845 - 2⁵ = 12080813 is a prime.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 5382 + ... + 7288.

It is an arithmetic number, because the mean of its divisors is an integer number (1041768).

Almost surely, 2^12080845 is an apocalyptic number.

It is an amenable number.

12080845 is a deficient number, since it is larger than the sum of its proper divisors (4587443).

12080845 is a wasteful number, since it uses less digits than its factorization.

12080845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2100.

The product of its (nonzero) digits is 2560, while the sum is 28.

The square root of 12080845 is about 3475.7509979859. The cubic root of 12080845 is about 229.4558339041.

Adding to 12080845 its reverse (54808021), we get a palindrome (66888866).

The spelling of 12080845 in words is "twelve million, eighty thousand, eight hundred forty-five".