13320808881 has 16 divisors (see below), whose sum is σ = 19086537024. Its totient is φ = 8233403904.

The previous prime is 13320808877. The next prime is 13320808889. The reversal of 13320808881 is 18880802331.

It is a happy number.

It is not a de Polignac number, because 13320808881 - 2² = 13320808877 is a prime.

It is a super-2 number, since 2×13320808881² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13320808889) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1945780 + ... + 1952613.

It is an arithmetic number, because the mean of its divisors is an integer number (1192908564).

Almost surely, 2^13320808881 is an apocalyptic number.

It is an amenable number.

13320808881 is a deficient number, since it is larger than the sum of its proper divisors (5765728143).

13320808881 is a wasteful number, since it uses less digits than its factorization.

13320808881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3898480.

The product of its (nonzero) digits is 73728, while the sum is 42.

The spelling of 13320808881 in words is "thirteen billion, three hundred twenty million, eight hundred eight thousand, eight hundred eighty-one".