13318928478306 has 24 divisors (see below), whose sum is σ = 31481103676464. Its totient is φ = 4036038932760.

The previous prime is 13318928478283. The next prime is 13318928478307. The reversal of 13318928478306 is 60387482981331.

13318928478306 is a `hidden beast` number, since 1 + 3 + 3 + 189 + 2 + 84 + 78 + 306 = 666.

It is a Smith number, since the sum of its digits (63) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (13318928478307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33633657576 + ... + 33633657971.

It is an arithmetic number, because the mean of its divisors is an integer number (1311712653186).

Almost surely, 2^{13318928478306} is an apocalyptic number.

13318928478306 is an abundant number, since it is smaller than the sum of its proper divisors (18162175198158).

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

13318928478306 is a wasteful number, since it uses less digits than its factorization.

13318928478306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67267315566 (or 67267315563 counting only the distinct ones).

The product of its (nonzero) digits is 41803776, while the sum is 63.

The spelling of 13318928478306 in words is "thirteen trillion, three hundred eighteen billion, nine hundred twenty-eight million, four hundred seventy-eight thousand, three hundred six".