12732928226 has 16 divisors (see below), whose sum is σ = 20230318296. Its totient is φ = 5989764096.

The previous prime is 12732928217. The next prime is 12732928231. The reversal of 12732928226 is 62282923721.

12732928226 is digitally balanced in base 2, 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 7469280625 + 5263647601 = 86425^2 + 72551^2 .

It is a super-2 number, since 2×12732928226² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26990 + ... + 161846.

Almost surely, 2^12732928226 is an apocalyptic number.

12732928226 is a deficient number, since it is larger than the sum of its proper divisors (7497390070).

12732928226 is a wasteful number, since it uses less digits than its factorization.

12732928226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137653.

The product of its digits is 290304, while the sum is 44.

The spelling of 12732928226 in words is "twelve billion, seven hundred thirty-two million, nine hundred twenty-eight thousand, two hundred twenty-six".