13198345 has 4 divisors (see below), whose sum is σ = 15838020. Its totient is φ = 10558672.

The previous prime is 13198321. The next prime is 13198357. The reversal of 13198345 is 54389131.

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

It can be written as a sum of positive squares in 2 ways, for example, as 6827769 + 6370576 = 2613^2 + 2524^2 .

It is a cyclic number.

It is not a de Polignac number, because 13198345 - 2⁵ = 13198313 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13198345.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1319830 + ... + 1319839.

It is an arithmetic number, because the mean of its divisors is an integer number (3959505).

Almost surely, 2^13198345 is an apocalyptic number.

It is an amenable number.

13198345 is a deficient number, since it is larger than the sum of its proper divisors (2639675).

13198345 is an equidigital number, since it uses as much as digits as its factorization.

13198345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2639674.

The product of its digits is 12960, while the sum is 34.

The square root of 13198345 is about 3632.9526558985. The cubic root of 13198345 is about 236.3232726260.

The spelling of 13198345 in words is "thirteen million, one hundred ninety-eight thousand, three hundred forty-five".