13198798 has 4 divisors (see below), whose sum is σ = 19798200. Its totient is φ = 6599398.

The previous prime is 13198793. The next prime is 13198811. The reversal of 13198798 is 89789131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 89789131 = 359 ⋅250109.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13198793) 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 as a sum of consecutive naturals, namely, 3299698 + ... + 3299701.

It is an arithmetic number, because the mean of its divisors is an integer number (4949550).

Almost surely, 2^13198798 is an apocalyptic number.

13198798 is a deficient number, since it is larger than the sum of its proper divisors (6599402).

13198798 is an equidigital number, since it uses as much as digits as its factorization.

13198798 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6599401.

The product of its digits is 108864, while the sum is 46.

The square root of 13198798 is about 3633.0150013453. The cubic root of 13198798 is about 236.3259763291.

The spelling of 13198798 in words is "thirteen million, one hundred ninety-eight thousand, seven hundred ninety-eight".