12728837055 has 32 divisors (see below), whose sum is σ = 22243898880. Its totient is φ = 6164254080.

The previous prime is 12728837021. The next prime is 12728837071. The reversal of 12728837055 is 55073882721.

It is not a de Polignac number, because 12728837055 - 2¹⁰ = 12728836031 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12728836995 and 12728837013.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 95526 + ... + 185964.

It is an arithmetic number, because the mean of its divisors is an integer number (695121840).

Almost surely, 2^12728837055 is an apocalyptic number.

12728837055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12728837055 is a deficient number, since it is larger than the sum of its proper divisors (9515061825).

12728837055 is a wasteful number, since it uses less digits than its factorization.

12728837055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 91311.

The product of its (nonzero) digits is 940800, while the sum is 48.

The spelling of 12728837055 in words is "twelve billion, seven hundred twenty-eight million, eight hundred thirty-seven thousand, fifty-five".