13000520008 has 32 divisors (see below), whose sum is σ = 27983208960. Its totient is φ = 5546661120.

The previous prime is 13000519979. The next prime is 13000520011. The reversal of 13000520008 is 80002500031.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 508033 + ... + 533008.

It is an arithmetic number, because the mean of its divisors is an integer number (874475280).

Almost surely, 2^13000520008 is an apocalyptic number.

It is an amenable number.

13000520008 is an abundant number, since it is smaller than the sum of its proper divisors (14982688952).

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

13000520008 is a wasteful number, since it uses less digits than its factorization.

13000520008 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1041277 (or 1041273 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 19.

The spelling of 13000520008 in words is "thirteen billion, five hundred twenty thousand, eight".