13104072 has 128 divisors (see below), whose sum is σ = 39936000. Its totient is φ = 3965760.

The previous prime is 13104037. The next prime is 13104073. The reversal of 13104072 is 27040131.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13104073) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 127173 + ... + 127275.

It is an arithmetic number, because the mean of its divisors is an integer number (312000).

Almost surely, 2^13104072 is an apocalyptic number.

13104072 is a gapful number since it is divisible by the number (12) 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 13104072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19968000).

13104072 is an abundant number, since it is smaller than the sum of its proper divisors (26831928).

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

13104072 is a wasteful number, since it uses less digits than its factorization.

13104072 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 168 (or 158 counting only the distinct ones).

The product of its (nonzero) digits is 168, while the sum is 18.

The square root of 13104072 is about 3619.9546958491. The cubic root of 13104072 is about 235.7592584792.

The spelling of 13104072 in words is "thirteen million, one hundred four thousand, seventy-two".