13204530 has 48 divisors (see below), whose sum is σ = 35830080. Its totient is φ = 3367584.

The previous prime is 13204519. The next prime is 13204537. The reversal of 13204530 is 3540231.

13204530 is a `hidden beast` number, since 132 + 0 + 4 + 530 = 666.

13204530 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×13204530² = 348719225041800, which contains 22 as substring.

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

It is not an unprimeable number, because it can be changed into a prime (13204537) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1120 + ... + 5259.

It is an arithmetic number, because the mean of its divisors is an integer number (746460).

Almost surely, 2^13204530 is an apocalyptic number.

13204530 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13204530 is an abundant number, since it is smaller than the sum of its proper divisors (22625550).

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

13204530 is a wasteful number, since it uses less digits than its factorization.

13204530 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6415 (or 6412 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 13204530 is about 3633.8037921715. The cubic root of 13204530 is about 236.3601820815.

Adding to 13204530 its reverse (3540231), we get a palindrome (16744761).

The spelling of 13204530 in words is "thirteen million, two hundred four thousand, five hundred thirty".