13320211986 has 12 divisors (see below), whose sum is σ = 28860459342. Its totient is φ = 4440070656.

The previous prime is 13320211969. The next prime is 13320211999. The reversal of 13320211986 is 68911202331.

It can be written as a sum of positive squares in only one way, i.e., 8112424761 + 5207787225 = 90069^2 + 72165^2 .

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 13320211986.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 370005871 + ... + 370005906.

Almost surely, 2^13320211986 is an apocalyptic number.

13320211986 is an abundant number, since it is smaller than the sum of its proper divisors (15540247356).

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

13320211986 is a wasteful number, since it uses less digits than its factorization.

13320211986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 740011785 (or 740011782 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The spelling of 13320211986 in words is "thirteen billion, three hundred twenty million, two hundred eleven thousand, nine hundred eighty-six".