13285235904 has 56 divisors (see below), whose sum is σ = 36007871088. Its totient is φ = 4320399360.

The previous prime is 13285235903. The next prime is 13285235921. The reversal of 13285235904 is 40953258231.

13285235904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (13285235903) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 835957 + ... + 851700.

It is an arithmetic number, because the mean of its divisors is an integer number (642997698).

Almost surely, 2^13285235904 is an apocalyptic number.

It is an amenable number.

13285235904 is an abundant number, since it is smaller than the sum of its proper divisors (22722635184).

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

13285235904 is a wasteful number, since it uses less digits than its factorization.

13285235904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1687713 (or 1687703 counting only the distinct ones).

The product of its (nonzero) digits is 259200, while the sum is 42.

The spelling of 13285235904 in words is "thirteen billion, two hundred eighty-five million, two hundred thirty-five thousand, nine hundred four".