13204143 has 12 divisors (see below), whose sum is σ = 19106568. Its totient is φ = 8787120.

The previous prime is 13204123. The next prime is 13204157. The reversal of 13204143 is 34140231.

13204143 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13204143 - 2⁸ = 13203887 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13204123) 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, 6496 + ... + 8282.

It is an arithmetic number, because the mean of its divisors is an integer number (1592214).

Almost surely, 2^13204143 is an apocalyptic number.

13204143 is a deficient number, since it is larger than the sum of its proper divisors (5902425).

13204143 is a wasteful number, since it uses less digits than its factorization.

13204143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2614 (or 2611 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 13204143 is about 3633.7505417956. The cubic root of 13204143 is about 236.3578729678.

Adding to 13204143 its reverse (34140231), we get a palindrome (47344374).

The spelling of 13204143 in words is "thirteen million, two hundred four thousand, one hundred forty-three".