12045056 has 18 divisors (see below), whose sum is σ = 24043572. Its totient is φ = 6022400.

The previous prime is 12045053. The next prime is 12045067. The reversal of 12045056 is 65054021.

It is not an unprimeable number, because it can be changed into a prime (12045053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 23270 + ... + 23781.

It is an arithmetic number, because the mean of its divisors is an integer number (1335754).

Almost surely, 2^12045056 is an apocalyptic number.

12045056 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

12045056 is a deficient number, since it is larger than the sum of its proper divisors (11998516).

12045056 is an frugal number, since it uses more digits than its factorization.

12045056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47067 (or 47053 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 23.

The square root of 12045056 is about 3470.5987955971. The cubic root of 12045056 is about 229.2290253367.

Adding to 12045056 its reverse (65054021), we get a palindrome (77099077).

The spelling of 12045056 in words is "twelve million, forty-five thousand, fifty-six".