13716657 has 6 divisors (see below), whose sum is σ = 19812962. Its totient is φ = 9144432.

The previous prime is 13716649. The next prime is 13716667. The reversal of 13716657 is 75661731.

It can be written as a sum of positive squares in only one way, i.e., 8071281 + 5645376 = 2841^2 + 2376^2 .

It is not a de Polignac number, because 13716657 - 2³ = 13716649 is a prime.

It is a Duffinian 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 (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 762028 + ... + 762045.

Almost surely, 2^13716657 is an apocalyptic number.

It is an amenable number.

13716657 is a deficient number, since it is larger than the sum of its proper divisors (6096305).

13716657 is a wasteful number, since it uses less digits than its factorization.

13716657 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1524079 (or 1524076 counting only the distinct ones).

The product of its digits is 26460, while the sum is 36.

The square root of 13716657 is about 3703.6005454152. The cubic root of 13716657 is about 239.3771872492.

The spelling of 13716657 in words is "thirteen million, seven hundred sixteen thousand, six hundred fifty-seven".