12747635047 has 16 divisors (see below), whose sum is σ = 15016396032. Its totient is φ = 10594503360.

The previous prime is 12747634997. The next prime is 12747635077. The reversal of 12747635047 is 74053674721.

It is not a de Polignac number, because 12747635047 - 2¹⁵ = 12747602279 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12747634988 and 12747635006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12747635077) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113329 + ... + 195802.

It is an arithmetic number, because the mean of its divisors is an integer number (938524752).

Almost surely, 2^12747635047 is an apocalyptic number.

12747635047 is a deficient number, since it is larger than the sum of its proper divisors (2268760985).

12747635047 is a wasteful number, since it uses less digits than its factorization.

12747635047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 309318.

The product of its (nonzero) digits is 987840, while the sum is 46.

The spelling of 12747635047 in words is "twelve billion, seven hundred forty-seven million, six hundred thirty-five thousand, forty-seven".