13887324 has 36 divisors (see below), whose sum is σ = 38296440. Its totient is φ = 4208160.

The previous prime is 13887299. The next prime is 13887329. The reversal of 13887324 is 42378831.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13887329) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17139 + ... + 17930.

It is an arithmetic number, because the mean of its divisors is an integer number (1063790).

Almost surely, 2^13887324 is an apocalyptic number.

It is an amenable number.

13887324 is an abundant number, since it is smaller than the sum of its proper divisors (24409116).

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

13887324 is a wasteful number, since it uses less digits than its factorization.

13887324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35090 (or 35085 counting only the distinct ones).

The product of its digits is 32256, while the sum is 36.

The square root of 13887324 is about 3726.5700047094. The cubic root of 13887324 is about 240.3659002042.

The spelling of 13887324 in words is "thirteen million, eight hundred eighty-seven thousand, three hundred twenty-four".