13716687 has 4 divisors (see below), whose sum is σ = 18288920. Its totient is φ = 9144456.

The previous prime is 13716679. The next prime is 13716701. The reversal of 13716687 is 78661731.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 13716687 - 2³ = 13716679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13716607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2286112 + ... + 2286117.

It is an arithmetic number, because the mean of its divisors is an integer number (4572230).

Almost surely, 2^13716687 is an apocalyptic number.

13716687 is a deficient number, since it is larger than the sum of its proper divisors (4572233).

13716687 is an equidigital number, since it uses as much as digits as its factorization.

13716687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4572232.

The product of its digits is 42336, while the sum is 39.

The square root of 13716687 is about 3703.6045955258. The cubic root of 13716687 is about 239.3773617648.

The spelling of 13716687 in words is "thirteen million, seven hundred sixteen thousand, six hundred eighty-seven".