13202191 has 4 divisors (see below), whose sum is σ = 13215384. Its totient is φ = 13189000.

The previous prime is 13202179. The next prime is 13202213. The reversal of 13202191 is 19120231.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13202191 - 2⁹ = 13201679 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13206191) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4960 + ... + 7141.

It is an arithmetic number, because the mean of its divisors is an integer number (3303846).

Almost surely, 2^13202191 is an apocalyptic number.

13202191 is a deficient number, since it is larger than the sum of its proper divisors (13193).

13202191 is a wasteful number, since it uses less digits than its factorization.

13202191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13192.

The product of its (nonzero) digits is 108, while the sum is 19.

The square root of 13202191 is about 3633.4819388570. The cubic root of 13202191 is about 236.3462252775.

The spelling of 13202191 in words is "thirteen million, two hundred two thousand, one hundred ninety-one".