13887630 has 48 divisors (see below), whose sum is σ = 37683360. Its totient is φ = 3541824.

The previous prime is 13887611. The next prime is 13887641. The reversal of 13887630 is 3678831.

13887630 is a `hidden beast` number, since 13 + 8 + 8 + 7 + 630 = 666.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1285 + ... + 5424.

It is an arithmetic number, because the mean of its divisors is an integer number (785070).

Almost surely, 2^13887630 is an apocalyptic number.

13887630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13887630 is an abundant number, since it is smaller than the sum of its proper divisors (23795730).

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

13887630 is a wasteful number, since it uses less digits than its factorization.

13887630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6745 (or 6742 counting only the distinct ones).

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

The square root of 13887630 is about 3726.6110610044. The cubic root of 13887630 is about 240.3676656373.

The spelling of 13887630 in words is "thirteen million, eight hundred eighty-seven thousand, six hundred thirty".