12027345 has 16 divisors (see below), whose sum is σ = 20993472. Its totient is φ = 5831360.

The previous prime is 12027317. The next prime is 12027359. The reversal of 12027345 is 54372021.

12027345 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 12027345 - 2⁸ = 12027089 is a prime.

It is a Curzon 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, 36282 + ... + 36611.

It is an arithmetic number, because the mean of its divisors is an integer number (1312092).

Almost surely, 2^12027345 is an apocalyptic number.

12027345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12027345 is a deficient number, since it is larger than the sum of its proper divisors (8966127).

12027345 is a wasteful number, since it uses less digits than its factorization.

12027345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72912.

The product of its (nonzero) digits is 1680, while the sum is 24.

The square root of 12027345 is about 3468.0462799680. The cubic root of 12027345 is about 229.1166177572.

Adding to 12027345 its reverse (54372021), we get a palindrome (66399366).

The spelling of 12027345 in words is "twelve million, twenty-seven thousand, three hundred forty-five".