13104128 has 44 divisors (see below), whose sum is σ = 26725632. Its totient is φ = 6420480.

The previous prime is 13104109. The next prime is 13104137. The reversal of 13104128 is 82140131.

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, 68513 + ... + 68703.

Almost surely, 2^13104128 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 13104128, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13362816).

13104128 is an abundant number, since it is smaller than the sum of its proper divisors (13621504).

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

13104128 is an equidigital number, since it uses as much as digits as its factorization.

13104128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278 (or 260 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 20.

The square root of 13104128 is about 3619.9624307443. The cubic root of 13104128 is about 235.7595943162.

Adding to 13104128 its reverse (82140131), we get a palindrome (95244259).

The spelling of 13104128 in words is "thirteen million, one hundred four thousand, one hundred twenty-eight".