13211906680 has 64 divisors (see below), whose sum is σ = 33986926080. Its totient is φ = 4528003200.

The previous prime is 13211906651. The next prime is 13211906693. The reversal of 13211906680 is 8660911231.

It is a super-3 number, since 3×13211906680³ (a number of 31 digits) contains 333 as substring.

It is a congruent number.

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, 835245 + ... + 850915.

It is an arithmetic number, because the mean of its divisors is an integer number (531045720).

Almost surely, 2^13211906680 is an apocalyptic number.

13211906680 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13211906680 is an abundant number, since it is smaller than the sum of its proper divisors (20775019400).

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

13211906680 is a wasteful number, since it uses less digits than its factorization.

13211906680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18700 (or 18696 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The spelling of 13211906680 in words is "thirteen billion, two hundred eleven million, nine hundred six thousand, six hundred eighty".