12847839906 has 32 divisors (see below), whose sum is σ = 28035818496. Its totient is φ = 3892706000.

The previous prime is 12847839841. The next prime is 12847839923. The reversal of 12847839906 is 60993874821.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 692491 + ... + 710801.

It is an arithmetic number, because the mean of its divisors is an integer number (876119328).

Almost surely, 2^12847839906 is an apocalyptic number.

12847839906 is an abundant number, since it is smaller than the sum of its proper divisors (15187978590).

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

12847839906 is a wasteful number, since it uses less digits than its factorization.

12847839906 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28958.

The product of its (nonzero) digits is 5225472, while the sum is 57.

The spelling of 12847839906 in words is "twelve billion, eight hundred forty-seven million, eight hundred thirty-nine thousand, nine hundred six".