12482028729 has 27 divisors (see below), whose sum is σ = 18219907173. Its totient is φ = 8234431992.

The previous prime is 12482028709. The next prime is 12482028751. The reversal of 12482028729 is 92782028421.

It is a happy number.

The square root of 12482028729 is 111723.

It is a perfect power (a square), and thus also a powerful number.

It is not a de Polignac number, because 12482028729 - 2¹¹ = 12482026681 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12482028709) by changing a digit.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 55973112 + ... + 55973334.

Almost surely, 2^12482028729 is an apocalyptic number.

12482028729 is the 111723-rd square number.

12482028729 is the 55862-nd centered octagonal number.

It is an amenable number.

12482028729 is a deficient number, since it is larger than the sum of its proper divisors (5737878444).

12482028729 is an frugal number, since it uses more digits than its factorization.

12482028729 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 786 (or 393 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The spelling of 12482028729 in words is "twelve billion, four hundred eighty-two million, twenty-eight thousand, seven hundred twenty-nine".