12947849460 has 192 divisors, whose sum is σ = 49578278400. Its totient is φ = 2731843584.

The previous prime is 12947849441. The next prime is 12947849477. The reversal of 12947849460 is 6494874921.

12947849460 is a `hidden beast` number, since 1 + 2 + 94 + 7 + 8 + 494 + 60 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 12947849397 and 12947849406.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 82605 + ... + 180884.

It is an arithmetic number, because the mean of its divisors is an integer number (258220200).

Almost surely, 2^12947849460 is an apocalyptic number.

12947849460 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12947849460 is an abundant number, since it is smaller than the sum of its proper divisors (36630428940).

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

12947849460 is a wasteful number, since it uses less digits than its factorization.

12947849460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 263527 (or 263519 counting only the distinct ones).

The product of its (nonzero) digits is 3483648, while the sum is 54.

The spelling of 12947849460 in words is "twelve billion, nine hundred forty-seven million, eight hundred forty-nine thousand, four hundred sixty".