13885684 has 6 divisors (see below), whose sum is σ = 24299954. Its totient is φ = 6942840.

The previous prime is 13885681. The next prime is 13885687. The reversal of 13885684 is 48658831.

It is an interprime number because it is at equal distance from previous prime (13885681) and next prime (13885687).

It can be written as a sum of positive squares in only one way, i.e., 13853284 + 32400 = 3722^2 + 180^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13885684.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13885681) 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 as a sum of consecutive naturals, namely, 1735707 + ... + 1735714.

Almost surely, 2^13885684 is an apocalyptic number.

It is an amenable number.

13885684 is a deficient number, since it is larger than the sum of its proper divisors (10414270).

13885684 is a wasteful number, since it uses less digits than its factorization.

13885684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3471425 (or 3471423 counting only the distinct ones).

The product of its digits is 184320, while the sum is 43.

The square root of 13885684 is about 3726.3499567271. The cubic root of 13885684 is about 240.3564379638.

The spelling of 13885684 in words is "thirteen million, eight hundred eighty-five thousand, six hundred eighty-four".