13871104 has 48 divisors (see below), whose sum is σ = 29926260. Its totient is φ = 6389760.

The previous prime is 13871071. The next prime is 13871119. The reversal of 13871104 is 40117831.

It can be written as a sum of positive squares in 2 ways, for example, as 12616704 + 1254400 = 3552^2 + 1120^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 26364 + ... + 26884.

Almost surely, 2^13871104 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 13871104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14963130).

13871104 is an abundant number, since it is smaller than the sum of its proper divisors (16055156).

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

13871104 is an equidigital number, since it uses as much as digits as its factorization.

13871104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556 (or 536 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 25.

The square root of 13871104 is about 3724.3931049233. The cubic root of 13871104 is about 240.2722835660.

Adding to 13871104 its reverse (40117831), we get a palindrome (53988935).

The spelling of 13871104 in words is "thirteen million, eight hundred seventy-one thousand, one hundred four".