13720316246 has 128 divisors (see below), whose sum is σ = 27190732800. Its totient is φ = 5152968576.

The previous prime is 13720316243. The next prime is 13720316263. The reversal of 13720316246 is 64261302731.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13720316243) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 14188055 + ... + 14189021.

It is an arithmetic number, because the mean of its divisors is an integer number (212427600).

Almost surely, 2^13720316246 is an apocalyptic number.

13720316246 is a deficient number, since it is larger than the sum of its proper divisors (13470416554).

13720316246 is a wasteful number, since it uses less digits than its factorization.

13720316246 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1083 (or 1069 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 35.

Adding to 13720316246 its reverse (64261302731), we get a palindrome (77981618977).

The spelling of 13720316246 in words is "thirteen billion, seven hundred twenty million, three hundred sixteen thousand, two hundred forty-six".