13340804817 has 16 divisors (see below), whose sum is σ = 18181658880. Its totient is φ = 8697232512.

The previous prime is 13340804783. The next prime is 13340804819. The reversal of 13340804817 is 71840804331.

It is not a de Polignac number, because 13340804817 - 2⁶ = 13340804753 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13340804819) 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, 128559 + ... + 207867.

It is an arithmetic number, because the mean of its divisors is an integer number (1136353680).

Almost surely, 2^13340804817 is an apocalyptic number.

It is an amenable number.

13340804817 is a deficient number, since it is larger than the sum of its proper divisors (4840854063).

13340804817 is a wasteful number, since it uses less digits than its factorization.

13340804817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80552.

The product of its (nonzero) digits is 64512, while the sum is 39.

The spelling of 13340804817 in words is "thirteen billion, three hundred forty million, eight hundred four thousand, eight hundred seventeen".