13205163 has 8 divisors (see below), whose sum is σ = 18174976. Its totient is φ = 8519400.

The previous prime is 13205149. The next prime is 13205173. The reversal of 13205163 is 36150231.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13205163 - 2⁴ = 13205147 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13205123) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70903 + ... + 71088.

It is an arithmetic number, because the mean of its divisors is an integer number (2271872).

Almost surely, 2^13205163 is an apocalyptic number.

13205163 is a deficient number, since it is larger than the sum of its proper divisors (4969813).

13205163 is a wasteful number, since it uses less digits than its factorization.

13205163 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142025.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 13205163 is about 3633.8908899415. The cubic root of 13205163 is about 236.3639589067.

Adding to 13205163 its reverse (36150231), we get a palindrome (49355394).

The spelling of 13205163 in words is "thirteen million, two hundred five thousand, one hundred sixty-three".