13304689792 has 32 divisors (see below), whose sum is σ = 26517638700. Its totient is φ = 6649282560.

The previous prime is 13304689781. The next prime is 13304689793. The reversal of 13304689792 is 29798640331.

It can be written as a sum of positive squares in 2 ways, for example, as 11936873536 + 1367816256 = 109256^2 + 36984^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a super-2 number, since 2×13304689792² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13304689793) 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, 269184 + ... + 314752.

Almost surely, 2^13304689792 is an apocalyptic number.

It is an amenable number.

13304689792 is a deficient number, since it is larger than the sum of its proper divisors (13212948908).

13304689792 is an equidigital number, since it uses as much as digits as its factorization.

13304689792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47864 (or 47852 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 52.

The spelling of 13304689792 in words is "thirteen billion, three hundred four million, six hundred eighty-nine thousand, seven hundred ninety-two".