12663045 has 24 divisors (see below), whose sum is σ = 23241816. Its totient is φ = 6355968.

The previous prime is 12663029. The next prime is 12663073. The reversal of 12663045 is 54036621.

12663045 is a `hidden beast` number, since 1 + 26 + 630 + 4 + 5 = 666.

12663045 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 6022116 + 6640929 = 2454^2 + 2577^2 .

It is not a de Polignac number, because 12663045 - 2⁴ = 12663029 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7512 + ... + 9041.

It is an arithmetic number, because the mean of its divisors is an integer number (968409).

Almost surely, 2^12663045 is an apocalyptic number.

12663045 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

12663045 is a deficient number, since it is larger than the sum of its proper divisors (10578771).

12663045 is a wasteful number, since it uses less digits than its factorization.

12663045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16581 (or 16578 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 12663045 is about 3558.5172473939. The cubic root of 12663045 is about 233.0841364501.

Adding to 12663045 its reverse (54036621), we get a palindrome (66699666).

The spelling of 12663045 in words is "twelve million, six hundred sixty-three thousand, forty-five".