12847097980 has 24 divisors (see below), whose sum is σ = 27012288240. Its totient is φ = 5132480640.

The previous prime is 12847097959. The next prime is 12847097983. The reversal of 12847097980 is 8979074821.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12847097983) 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, 380826 + ... + 413185.

It is an arithmetic number, because the mean of its divisors is an integer number (1125512010).

Almost surely, 2^12847097980 is an apocalyptic number.

12847097980 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12847097980 is an abundant number, since it is smaller than the sum of its proper divisors (14165190260).

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

12847097980 is a wasteful number, since it uses less digits than its factorization.

12847097980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 794829 (or 794827 counting only the distinct ones).

The product of its (nonzero) digits is 2032128, while the sum is 55.

The spelling of 12847097980 in words is "twelve billion, eight hundred forty-seven million, ninety-seven thousand, nine hundred eighty".