13687324 has 12 divisors (see below), whose sum is σ = 27374704. Its totient is φ = 5865984.

The previous prime is 13687321. The next prime is 13687343. The reversal of 13687324 is 42378631.

It is a happy number.

13687324 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 13687324.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13687321) 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 3 ways as a sum of consecutive naturals, for example, 244389 + ... + 244444.

Almost surely, 2^13687324 is an apocalyptic number.

13687324 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13687324 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

13687324 is a wasteful number, since it uses less digits than its factorization.

13687324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 488844 (or 488842 counting only the distinct ones).

The product of its digits is 24192, while the sum is 34.

The square root of 13687324 is about 3699.6383607050. The cubic root of 13687324 is about 239.2064298447.

The spelling of 13687324 in words is "thirteen million, six hundred eighty-seven thousand, three hundred twenty-four".