13198351 has 4 divisors (see below), whose sum is σ = 13520304. Its totient is φ = 12876400.

The previous prime is 13198321. The next prime is 13198357. The reversal of 13198351 is 15389131.

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 13198351 - 2⁷ = 13198223 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 (13198357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 160915 + ... + 160996.

It is an arithmetic number, because the mean of its divisors is an integer number (3380076).

Almost surely, 2^13198351 is an apocalyptic number.

13198351 is a deficient number, since it is larger than the sum of its proper divisors (321953).

13198351 is an equidigital number, since it uses as much as digits as its factorization.

13198351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 321952.

The product of its digits is 3240, while the sum is 31.

The square root of 13198351 is about 3632.9534816730. The cubic root of 13198351 is about 236.3233084371.

The spelling of 13198351 in words is "thirteen million, one hundred ninety-eight thousand, three hundred fifty-one".