13133304 has 48 divisors (see below), whose sum is σ = 36335520. Its totient is φ = 4283520.

The previous prime is 13133303. The next prime is 13133311. The reversal of 13133304 is 40333131.

13133304 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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 (13133303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1444 + ... + 5324.

It is an arithmetic number, because the mean of its divisors is an integer number (756990).

Almost surely, 2^13133304 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 13133304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18167760).

13133304 is an abundant number, since it is smaller than the sum of its proper divisors (23202216).

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

13133304 is a wasteful number, since it uses less digits than its factorization.

13133304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3940 (or 3933 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 13133304 is about 3623.9900662116. The cubic root of 13133304 is about 235.9344354879.

Adding to 13133304 its reverse (40333131), we get a palindrome (53466435).

The spelling of 13133304 in words is "thirteen million, one hundred thirty-three thousand, three hundred four".