12728363637583 has 32 divisors (see below), whose sum is σ = 14819342819328. Its totient is φ = 10803881088000.

The previous prime is 12728363637569. The next prime is 12728363637589. The reversal of 12728363637583 is 38573636382721.

It is a happy number.

It is not a de Polignac number, because 12728363637583 - 2¹⁷ = 12728363506511 is a prime.

It is a super-2 number, since 2×12728363637583² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12728363637589) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 470240416 + ... + 470267482.

It is an arithmetic number, because the mean of its divisors is an integer number (463104463104).

Almost surely, 2^{12728363637583} is an apocalyptic number.

12728363637583 is a deficient number, since it is larger than the sum of its proper divisors (2090979181745).

12728363637583 is a wasteful number, since it uses less digits than its factorization.

12728363637583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47023.

The product of its digits is 182891520, while the sum is 64.

The spelling of 12728363637583 in words is "twelve trillion, seven hundred twenty-eight billion, three hundred sixty-three million, six hundred thirty-seven thousand, five hundred eighty-three".