12734788547 has 8 divisors (see below), whose sum is σ = 13715264640. Its totient is φ = 11754437760.

The previous prime is 12734788529. The next prime is 12734788567. The reversal of 12734788547 is 74588743721.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 12734788547 - 2²⁰ = 12733739971 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12734788492 and 12734788501.

It is not an unprimeable number, because it can be changed into a prime (12734788567) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 375854 + ... + 408332.

It is an arithmetic number, because the mean of its divisors is an integer number (1714408080).

Almost surely, 2^12734788547 is an apocalyptic number.

12734788547 is a deficient number, since it is larger than the sum of its proper divisors (980476093).

12734788547 is a wasteful number, since it uses less digits than its factorization.

12734788547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62653.

The product of its digits is 10536960, while the sum is 56.

The spelling of 12734788547 in words is "twelve billion, seven hundred thirty-four million, seven hundred eighty-eight thousand, five hundred forty-seven".