12808730840 has 16 divisors (see below), whose sum is σ = 28819644480. Its totient is φ = 5123492320.

The previous prime is 12808730827. The next prime is 12808730863. The reversal of 12808730840 is 4803780821.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160109096 + ... + 160109175.

It is an arithmetic number, because the mean of its divisors is an integer number (1801227780).

Almost surely, 2^12808730840 is an apocalyptic number.

12808730840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12808730840 is an abundant number, since it is smaller than the sum of its proper divisors (16010913640).

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

12808730840 is a wasteful number, since it uses less digits than its factorization.

12808730840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 320218282 (or 320218278 counting only the distinct ones).

The product of its (nonzero) digits is 86016, while the sum is 41.

The spelling of 12808730840 in words is "twelve billion, eight hundred eight million, seven hundred thirty thousand, eight hundred forty".