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13201 = 43307

13201 has 4 divisors (see below), whose sum is σ = 13552. Its totient is φ = 12852.

The previous prime is 13187. The next prime is 13217. The reversal of 13201 is 10231.

13201 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 10231 = 13787.

It is a cyclic number.

It is not a de Polignac number, because 13201 - 29 = 12689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111 + ... + 196.

It is an arithmetic number, because the mean of its divisors is an integer number (3388).

213201 is an apocalyptic number.

It is an amenable number.

13201 is a deficient number, since it is larger than the sum of its proper divisors (351).

13201 is an equidigital number, since it uses as much as digits as its factorization.

13201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350.

The product of its (nonzero) digits is 6, while the sum is 7.

The square root of 13201 is about 114.8956047897. The cubic root of 13201 is about 23.6339117952.

Adding to 13201 its reverse (10231), we get a palindrome (23432).

The spelling of 13201 in words is "thirteen thousand, two hundred one".

Divisors: 1 43 307 13201