13390186806 has 24 divisors (see below), whose sum is σ = 30539023320. Its totient is φ = 4228479936.

The previous prime is 13390186801. The next prime is 13390186813. The reversal of 13390186806 is 60868109331.

It is a happy number.

13390186806 is a `hidden beast` number, since 1 + 3 + 390 + 186 + 80 + 6 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13390186801) 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, 19575955 + ... + 19576638.

It is an arithmetic number, because the mean of its divisors is an integer number (1272459305).

Almost surely, 2^13390186806 is an apocalyptic number.

13390186806 is an abundant number, since it is smaller than the sum of its proper divisors (17148836514).

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

13390186806 is a wasteful number, since it uses less digits than its factorization.

13390186806 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39152620 (or 39152617 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 45.

The spelling of 13390186806 in words is "thirteen billion, three hundred ninety million, one hundred eighty-six thousand, eight hundred six".