12831917547 has 16 divisors (see below), whose sum is σ = 17180540928. Its totient is φ = 8518991040.

The previous prime is 12831917533. The next prime is 12831917573. The reversal of 12831917547 is 74571913821.

It is not a de Polignac number, because 12831917547 - 2⁴ = 12831917531 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 12831917496 and 12831917505.

It is not an unprimeable number, because it can be changed into a prime (12831917587) 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, 1802998 + ... + 1810100.

It is an arithmetic number, because the mean of its divisors is an integer number (1073783808).

Almost surely, 2^12831917547 is an apocalyptic number.

12831917547 is a deficient number, since it is larger than the sum of its proper divisors (4348623381).

12831917547 is a wasteful number, since it uses less digits than its factorization.

12831917547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9530.

The product of its digits is 423360, while the sum is 48.

The spelling of 12831917547 in words is "twelve billion, eight hundred thirty-one million, nine hundred seventeen thousand, five hundred forty-seven".