13327881 has 32 divisors (see below), whose sum is σ = 22106880. Its totient is φ = 6967296.

The previous prime is 13327877. The next prime is 13327889. The reversal of 13327881 is 18872331.

13327881 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13327881 - 2² = 13327877 is a prime.

It is a super-2 number, since 2×13327881² = 355264823900322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13327889) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12705 + ... + 13713.

It is an arithmetic number, because the mean of its divisors is an integer number (690840).

Almost surely, 2^13327881 is an apocalyptic number.

It is an amenable number.

13327881 is a deficient number, since it is larger than the sum of its proper divisors (8778999).

13327881 is a wasteful number, since it uses less digits than its factorization.

13327881 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1073.

The product of its digits is 8064, while the sum is 33.

The square root of 13327881 is about 3650.7370488711. The cubic root of 13327881 is about 237.0938936127.

The spelling of 13327881 in words is "thirteen million, three hundred twenty-seven thousand, eight hundred eighty-one".