13228849352 has 8 divisors (see below), whose sum is σ = 24804092550. Its totient is φ = 6614424672.

The previous prime is 13228849339. The next prime is 13228849367. The reversal of 13228849352 is 25394882231.

It can be written as a sum of positive squares in only one way, i.e., 7073819236 + 6155030116 = 84106^2 + 78454^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a junction number, because it is equal to n+sod(n) for n = 13228849297 and 13228849306.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 826803077 + ... + 826803092.

Almost surely, 2^13228849352 is an apocalyptic number.

It is an amenable number.

13228849352 is a deficient number, since it is larger than the sum of its proper divisors (11575243198).

13228849352 is a wasteful number, since it uses less digits than its factorization.

13228849352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1653606175 (or 1653606171 counting only the distinct ones).

The product of its digits is 829440, while the sum is 47.

The spelling of 13228849352 in words is "thirteen billion, two hundred twenty-eight million, eight hundred forty-nine thousand, three hundred fifty-two".