12730678487055 has 96 divisors (see below), whose sum is σ = 25011105350400. Its totient is φ = 5951359650816.

The previous prime is 12730678487029. The next prime is 12730678487057. The reversal of 12730678487055 is 55078487603721.

It is a happy number.

12730678487055 is a `hidden beast` number, since 1 + 2 + 7 + 30 + 6 + 78 + 487 + 0 + 55 = 666.

It is not a de Polignac number, because 12730678487055 - 2⁶ = 12730678486991 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12730678486983 and 12730678487001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12730678487057) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 6565009 + ... + 8280138.

It is an arithmetic number, because the mean of its divisors is an integer number (260532347400).

Almost surely, 2^{12730678487055} is an apocalyptic number.

12730678487055 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12730678487055 is a deficient number, since it is larger than the sum of its proper divisors (12280426863345).

12730678487055 is a wasteful number, since it uses less digits than its factorization.

12730678487055 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14845253 (or 14845250 counting only the distinct ones).

The product of its (nonzero) digits is 79027200, while the sum is 63.

The spelling of 12730678487055 in words is "twelve trillion, seven hundred thirty billion, six hundred seventy-eight million, four hundred eighty-seven thousand, fifty-five".