13208680852 has 18 divisors (see below), whose sum is σ = 23179292682. Its totient is φ = 6586076304.

The previous prime is 13208680843. The next prime is 13208680951. The reversal of 13208680852 is 25808680231.

It can be written as a sum of positive squares in only one way, i.e., 9673902736 + 3534778116 = 98356^2 + 59454^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13208680799 and 13208680808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 526498 + ... + 551014.

Almost surely, 2^13208680852 is an apocalyptic number.

It is an amenable number.

13208680852 is a deficient number, since it is larger than the sum of its proper divisors (9970611830).

13208680852 is an equidigital number, since it uses as much as digits as its factorization.

13208680852 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25255 (or 24886 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 43.

The spelling of 13208680852 in words is "thirteen billion, two hundred eight million, six hundred eighty thousand, eight hundred fifty-two".