13887104 has 64 divisors (see below), whose sum is σ = 34516800. Its totient is φ = 5406720.

The previous prime is 13887091. The next prime is 13887109. The reversal of 13887104 is 40178831.

It is a tau number, because it is divible by the number of its divisors (64).

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (13887109) 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 7 ways as a sum of consecutive naturals, for example, 9152 + ... + 10560.

It is an arithmetic number, because the mean of its divisors is an integer number (539325).

Almost surely, 2^13887104 is an apocalyptic number.

13887104 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13887104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17258400).

13887104 is an abundant number, since it is smaller than the sum of its proper divisors (20629696).

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

13887104 is a wasteful number, since it uses less digits than its factorization.

13887104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1441 (or 1429 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 32.

The square root of 13887104 is about 3726.5404868323. The cubic root of 13887104 is about 240.3646309225.

The spelling of 13887104 in words is "thirteen million, eight hundred eighty-seven thousand, one hundred four".