13207009328 has 20 divisors (see below), whose sum is σ = 25939111368. Its totient is φ = 6513045120.

The previous prime is 13207009327. The next prime is 13207009337. The reversal of 13207009328 is 82390070231.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (13207009327) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5652518 + ... + 5654853.

Almost surely, 2^13207009328 is an apocalyptic number.

It is an amenable number.

13207009328 is a deficient number, since it is larger than the sum of its proper divisors (12732102040).

13207009328 is a wasteful number, since it uses less digits than its factorization.

13207009328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11307452 (or 11307446 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 35.

Adding to 13207009328 its reverse (82390070231), we get a palindrome (95597079559).

The spelling of 13207009328 in words is "thirteen billion, two hundred seven million, nine thousand, three hundred twenty-eight".