13204542 has 32 divisors (see below), whose sum is σ = 29141280. Its totient is φ = 3962880.

The previous prime is 13204537. The next prime is 13204559. The reversal of 13204542 is 24540231.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1134 + ... + 5262.

It is an arithmetic number, because the mean of its divisors is an integer number (910665).

Almost surely, 2^13204542 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13204542, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14570640).

13204542 is an abundant number, since it is smaller than the sum of its proper divisors (15936738).

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

13204542 is a wasteful number, since it uses less digits than its factorization.

13204542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4188.

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 13204542 is about 3633.8054433335. The cubic root of 13204542 is about 236.3602536812.

Adding to 13204542 its reverse (24540231), we get a palindrome (37744773).

The spelling of 13204542 in words is "thirteen million, two hundred four thousand, five hundred forty-two".