13803687 has 6 divisors (see below), whose sum is σ = 19938672. Its totient is φ = 9202452.

The previous prime is 13803667. The next prime is 13803697. The reversal of 13803687 is 78630831.

It is a de Polignac number, because none of the positive numbers 2^k-13803687 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13803617) 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, 766863 + ... + 766880.

It is an arithmetic number, because the mean of its divisors is an integer number (3323112).

Almost surely, 2^13803687 is an apocalyptic number.

13803687 is a deficient number, since it is larger than the sum of its proper divisors (6134985).

13803687 is a wasteful number, since it uses less digits than its factorization.

13803687 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1533749 (or 1533746 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 36.

The square root of 13803687 is about 3715.3313445775. The cubic root of 13803687 is about 239.8823902926.

The spelling of 13803687 in words is "thirteen million, eight hundred three thousand, six hundred eighty-seven".