13646321342312 has 8 divisors (see below), whose sum is σ = 25586852516850. Its totient is φ = 6823160671152.

The previous prime is 13646321342299. The next prime is 13646321342317. The reversal of 13646321342312 is 21324312364631.

It can be written as a sum of positive squares in only one way, i.e., 10270525114756 + 3375796227556 = 3204766^2 + 1837334^2 .

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

It is a self number, because there is not a number n which added to its sum of digits gives 13646321342312.

It is not an unprimeable number, because it can be changed into a prime (13646321342317) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 852895083887 + ... + 852895083902.

Almost surely, 2^{13646321342312} is an apocalyptic number.

It is an amenable number.

13646321342312 is a deficient number, since it is larger than the sum of its proper divisors (11940531174538).

13646321342312 is a wasteful number, since it uses less digits than its factorization.

13646321342312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1705790167795 (or 1705790167791 counting only the distinct ones).

The product of its digits is 373248, while the sum is 41.

The spelling of 13646321342312 in words is "thirteen trillion, six hundred forty-six billion, three hundred twenty-one million, three hundred forty-two thousand, three hundred twelve".