12030945 has 16 divisors (see below), whose sum is σ = 19871232. Its totient is φ = 6209280.

The previous prime is 12030923. The next prime is 12030959. The reversal of 12030945 is 54903021.

12030945 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12030945 - 2⁵ = 12030913 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12472 + ... + 13401.

It is an arithmetic number, because the mean of its divisors is an integer number (1241952).

Almost surely, 2^12030945 is an apocalyptic number.

12030945 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12030945 is a deficient number, since it is larger than the sum of its proper divisors (7840287).

12030945 is a wasteful number, since it uses less digits than its factorization.

12030945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25912.

The product of its (nonzero) digits is 1080, while the sum is 24.

The square root of 12030945 is about 3468.5652653511. The cubic root of 12030945 is about 229.1394750474.

Adding to 12030945 its reverse (54903021), we get a palindrome (66933966).

The spelling of 12030945 in words is "twelve million, thirty thousand, nine hundred forty-five".