13681716 has 12 divisors (see below), whose sum is σ = 31924032. Its totient is φ = 4560568.

The previous prime is 13681709. The next prime is 13681721. The reversal of 13681716 is 61718631.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 570060 + ... + 570083.

It is an arithmetic number, because the mean of its divisors is an integer number (2660336).

Almost surely, 2^13681716 is an apocalyptic number.

It is an amenable number.

13681716 is an abundant number, since it is smaller than the sum of its proper divisors (18242316).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13681716 is a wasteful number, since it uses less digits than its factorization.

13681716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1140150 (or 1140148 counting only the distinct ones).

The product of its digits is 6048, while the sum is 33.

The square root of 13681716 is about 3698.8803711394. The cubic root of 13681716 is about 239.1737559899.

The spelling of 13681716 in words is "thirteen million, six hundred eighty-one thousand, seven hundred sixteen".