13280640415812 has 240 divisors, whose sum is σ = 44018700042240. Its totient is φ = 3391050225600.

The previous prime is 13280640415793. The next prime is 13280640415829. The reversal of 13280640415812 is 21851404608231.

13280640415812 is a `hidden beast` number, since 1 + 3 + 2 + 8 + 0 + 64 + 0 + 4 + 1 + 581 + 2 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3039364 + ... + 5983227.

It is an arithmetic number, because the mean of its divisors is an integer number (183411250176).

Almost surely, 2^{13280640415812} is an apocalyptic number.

13280640415812 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

13280640415812 is an abundant number, since it is smaller than the sum of its proper divisors (30738059626428).

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

13280640415812 is a wasteful number, since it uses less digits than its factorization.

13280640415812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9022684 (or 9022673 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The spelling of 13280640415812 in words is "thirteen trillion, two hundred eighty billion, six hundred forty million, four hundred fifteen thousand, eight hundred twelve".