13211622636 has 48 divisors (see below), whose sum is σ = 31342837344. Its totient is φ = 4330561536.

The previous prime is 13211622601. The next prime is 13211622649. The reversal of 13211622636 is 63622611231.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 13211622597 and 13211622606.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 272836 + ... + 317588.

It is an arithmetic number, because the mean of its divisors is an integer number (652975778).

Almost surely, 2^13211622636 is an apocalyptic number.

It is an amenable number.

13211622636 is an abundant number, since it is smaller than the sum of its proper divisors (18131214708).

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

13211622636 is a wasteful number, since it uses less digits than its factorization.

13211622636 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45170 (or 45168 counting only the distinct ones).

The product of its digits is 15552, while the sum is 33.

The spelling of 13211622636 in words is "thirteen billion, two hundred eleven million, six hundred twenty-two thousand, six hundred thirty-six".