13004530 has 32 divisors (see below), whose sum is σ = 29185920. Its totient is φ = 4053120.

The previous prime is 13004527. The next prime is 13004539. The reversal of 13004530 is 3540031.

It is not an unprimeable number, because it can be changed into a prime (13004539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7675 + ... + 9214.

It is an arithmetic number, because the mean of its divisors is an integer number (912060).

Almost surely, 2^13004530 is an apocalyptic number.

13004530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13004530 is an abundant number, since it is smaller than the sum of its proper divisors (16181390).

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

13004530 is a wasteful number, since it uses less digits than its factorization.

13004530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16914.

The product of its (nonzero) digits is 180, while the sum is 16.

The square root of 13004530 is about 3606.1794187200. The cubic root of 13004530 is about 235.1607772571.

Adding to 13004530 its reverse (3540031), we get a palindrome (16544561).

The spelling of 13004530 in words is "thirteen million, four thousand, five hundred thirty".