12809298960 has 80 divisors (see below), whose sum is σ = 44120926080. Its totient is φ = 3415812480.

The previous prime is 12809298947. The next prime is 12809298961. The reversal of 12809298960 is 6989290821.

It is a tau number, because it is divible by the number of its divisors (80).

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 = 12809298897 and 12809298906.

It is not an unprimeable number, because it can be changed into a prime (12809298961) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2962956 + ... + 2967275.

It is an arithmetic number, because the mean of its divisors is an integer number (551511576).

Almost surely, 2^12809298960 is an apocalyptic number.

12809298960 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12809298960 is an abundant number, since it is smaller than the sum of its proper divisors (31311627120).

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

12809298960 is a wasteful number, since it uses less digits than its factorization.

12809298960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5930253 (or 5930241 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 54.

The spelling of 12809298960 in words is "twelve billion, eight hundred nine million, two hundred ninety-eight thousand, nine hundred sixty".