12457894833 has 12 divisors (see below), whose sum is σ = 18002919168. Its totient is φ = 8301486840.

The previous prime is 12457894811. The next prime is 12457894847. The reversal of 12457894833 is 33849875421.

It is a happy number.

12457894833 is a `hidden beast` number, since 1 + 24 + 578 + 9 + 48 + 3 + 3 = 666.

12457894833 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12457894833 - 2²² = 12453700529 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12457894833.

It is not an unprimeable number, because it can be changed into a prime (12457894873) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 293733 + ... + 333458.

It is an arithmetic number, because the mean of its divisors is an integer number (1500243264).

Almost surely, 2^12457894833 is an apocalyptic number.

It is an amenable number.

12457894833 is a deficient number, since it is larger than the sum of its proper divisors (5545024335).

12457894833 is a wasteful number, since it uses less digits than its factorization.

12457894833 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 629404 (or 629401 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 54.

The spelling of 12457894833 in words is "twelve billion, four hundred fifty-seven million, eight hundred ninety-four thousand, eight hundred thirty-three".