13247485252 has 12 divisors (see below), whose sum is σ = 23224724460. Its totient is φ = 6611849696.

The previous prime is 13247485247. The next prime is 13247485267. The reversal of 13247485252 is 25258474231.

It can be written as a sum of positive squares in 2 ways, for example, as 2318037316 + 10929447936 = 48146^2 + 104544^2 .

It is a junction number, because it is equal to n+sod(n) for n = 13247485199 and 13247485208.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2970727 + ... + 2975182.

It is an arithmetic number, because the mean of its divisors is an integer number (1935393705).

Almost surely, 2^13247485252 is an apocalyptic number.

It is an amenable number.

13247485252 is a deficient number, since it is larger than the sum of its proper divisors (9977239208).

13247485252 is a wasteful number, since it uses less digits than its factorization.

13247485252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5946470 (or 5946468 counting only the distinct ones).

The product of its digits is 537600, while the sum is 43.

The spelling of 13247485252 in words is "thirteen billion, two hundred forty-seven million, four hundred eighty-five thousand, two hundred fifty-two".