13281585788 has 12 divisors (see below), whose sum is σ = 23245854912. Its totient is φ = 6639912960.

The previous prime is 13281585761. The next prime is 13281585829. The reversal of 13281585788 is 88758518231.

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 3 ways as a sum of consecutive naturals, for example, 185420 + ... + 246867.

It is an arithmetic number, because the mean of its divisors is an integer number (1937154576).

Almost surely, 2^13281585788 is an apocalyptic number.

It is an amenable number.

13281585788 is a deficient number, since it is larger than the sum of its proper divisors (9964269124).

13281585788 is a wasteful number, since it uses less digits than its factorization.

13281585788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 439972 (or 439970 counting only the distinct ones).

The product of its digits is 4300800, while the sum is 56.

The spelling of 13281585788 in words is "thirteen billion, two hundred eighty-one million, five hundred eighty-five thousand, seven hundred eighty-eight".