13305563806 has 8 divisors (see below), whose sum is σ = 19988541864. Its totient is φ = 6642716520.

The previous prime is 13305563767. The next prime is 13305563819. The reversal of 13305563806 is 60836550331.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 5031040 + ... + 5033683.

It is an arithmetic number, because the mean of its divisors is an integer number (2498567733).

Almost surely, 2^13305563806 is an apocalyptic number.

13305563806 is a deficient number, since it is larger than the sum of its proper divisors (6682978058).

13305563806 is a wasteful number, since it uses less digits than its factorization.

13305563806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10065386.

The product of its (nonzero) digits is 194400, while the sum is 40.

The spelling of 13305563806 in words is "thirteen billion, three hundred five million, five hundred sixty-three thousand, eight hundred six".