12847139298 has 56 divisors (see below), whose sum is σ = 33020421888. Its totient is φ = 3670608312.

The previous prime is 12847139293. The next prime is 12847139329. The reversal of 12847139298 is 89293174821.

12847139298 is a `hidden beast` number, since 1 + 284 + 71 + 3 + 9 + 298 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (12847139293) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 619186 + ... + 639597.

Almost surely, 2^12847139298 is an apocalyptic number.

12847139298 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

12847139298 is an abundant number, since it is smaller than the sum of its proper divisors (20173282590).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12847139298 is an equidigital number, since it uses as much as digits as its factorization.

12847139298 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1258810 (or 1258795 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The spelling of 12847139298 in words is "twelve billion, eight hundred forty-seven million, one hundred thirty-nine thousand, two hundred ninety-eight".