13208532870 has 32 divisors (see below), whose sum is σ = 34138978272. Its totient is φ = 3251331072.

The previous prime is 13208532829. The next prime is 13208532871. The reversal of 13208532870 is 7823580231.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13208532871) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16933627 + ... + 16934406.

It is an arithmetic number, because the mean of its divisors is an integer number (1066843071).

Almost surely, 2^13208532870 is an apocalyptic number.

13208532870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13208532870 is an abundant number, since it is smaller than the sum of its proper divisors (20930445402).

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

13208532870 is a wasteful number, since it uses less digits than its factorization.

13208532870 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33868056.

The product of its (nonzero) digits is 80640, while the sum is 39.

The spelling of 13208532870 in words is "thirteen billion, two hundred eight million, five hundred thirty-two thousand, eight hundred seventy".