13387104 has 144 divisors (see below), whose sum is σ = 41513472. Its totient is φ = 4080384.

The previous prime is 13387097. The next prime is 13387117. The reversal of 13387104 is 40178331.

It is a tau number, because it is divible by the number of its divisors (144).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 284809 + ... + 284855.

It is an arithmetic number, because the mean of its divisors is an integer number (288288).

Almost surely, 2^13387104 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13387104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20756736).

13387104 is an abundant number, since it is smaller than the sum of its proper divisors (28126368).

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

13387104 is a wasteful number, since it uses less digits than its factorization.

13387104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 129 (or 118 counting only the distinct ones).

The product of its (nonzero) digits is 2016, while the sum is 27.

The square root of 13387104 is about 3658.8391601709. The cubic root of 13387104 is about 237.4445536309. Note that the first 3 decimals are identical.

The spelling of 13387104 in words is "thirteen million, three hundred eighty-seven thousand, one hundred four".