13509882 has 32 divisors (see below), whose sum is σ = 31060800. Its totient is φ = 4347504.

The previous prime is 13509871. The next prime is 13509889. The reversal of 13509882 is 28890531.

It is not an unprimeable number, because it can be changed into a prime (13509889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2748 + ... + 5879.

It is an arithmetic number, because the mean of its divisors is an integer number (970650).

Almost surely, 2^13509882 is an apocalyptic number.

13509882 is an abundant number, since it is smaller than the sum of its proper divisors (17550918).

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

13509882 is a wasteful number, since it uses less digits than its factorization.

13509882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8667 (or 8661 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 13509882 is about 3675.5791380407. The cubic root of 13509882 is about 238.1682425034.

The spelling of 13509882 in words is "thirteen million, five hundred nine thousand, eight hundred eighty-two".