12784531339 has 8 divisors (see below), whose sum is σ = 12882666528. Its totient is φ = 12686466240.

The previous prime is 12784531321. The next prime is 12784531381. The reversal of 12784531339 is 93313548721.

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

It is a cyclic number.

It is not a de Polignac number, because 12784531339 - 2¹⁷ = 12784400267 is a prime.

It is a super-3 number, since 3×12784531339³ (a number of 31 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12784531139) 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, 383634 + ... + 415624.

It is an arithmetic number, because the mean of its divisors is an integer number (1610333316).

Almost surely, 2^12784531339 is an apocalyptic number.

12784531339 is a deficient number, since it is larger than the sum of its proper divisors (98135189).

12784531339 is a wasteful number, since it uses less digits than its factorization.

12784531339 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35045.

The product of its digits is 544320, while the sum is 46.

The spelling of 12784531339 in words is "twelve billion, seven hundred eighty-four million, five hundred thirty-one thousand, three hundred thirty-nine".