13688536 has 32 divisors (see below), whose sum is σ = 27352080. Its totient is φ = 6400000.

The previous prime is 13688527. The next prime is 13688539. The reversal of 13688536 is 63588631.

It is a zygodrome in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13688539) 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 7 ways as a sum of consecutive naturals, for example, 33936 + ... + 34336.

Almost surely, 2^13688536 is an apocalyptic number.

It is an amenable number.

13688536 is a deficient number, since it is larger than the sum of its proper divisors (13663544).

13688536 is a wasteful number, since it uses less digits than its factorization.

13688536 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 675 (or 671 counting only the distinct ones).

The product of its digits is 103680, while the sum is 40.

The square root of 13688536 is about 3699.8021568727. The cubic root of 13688536 is about 239.2134901397.

The spelling of 13688536 in words is "thirteen million, six hundred eighty-eight thousand, five hundred thirty-six".