13005543236 has 48 divisors (see below), whose sum is σ = 26526044160. Its totient is φ = 5464486560.

The previous prime is 13005543169. The next prime is 13005543241. The reversal of 13005543236 is 63234550031.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 283085 + ... + 325803.

It is an arithmetic number, because the mean of its divisors is an integer number (552625920).

Almost surely, 2^13005543236 is an apocalyptic number.

It is an amenable number.

13005543236 is an abundant number, since it is smaller than the sum of its proper divisors (13520500924).

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

13005543236 is a wasteful number, since it uses less digits than its factorization.

13005543236 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42944 (or 42942 counting only the distinct ones).

The product of its (nonzero) digits is 32400, while the sum is 32.

The spelling of 13005543236 in words is "thirteen billion, five million, five hundred forty-three thousand, two hundred thirty-six".