13399198 has 4 divisors (see below), whose sum is σ = 20098800. Its totient is φ = 6699598.

The previous prime is 13399193. The next prime is 13399207. The reversal of 13399198 is 89199331.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13399193) 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, 3349798 + ... + 3349801.

It is an arithmetic number, because the mean of its divisors is an integer number (5024700).

Almost surely, 2^13399198 is an apocalyptic number.

13399198 is a deficient number, since it is larger than the sum of its proper divisors (6699602).

13399198 is an equidigital number, since it uses as much as digits as its factorization.

13399198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6699601.

The product of its digits is 52488, while the sum is 43.

The square root of 13399198 is about 3660.4914970534. The cubic root of 13399198 is about 237.5160351131.

The spelling of 13399198 in words is "thirteen million, three hundred ninety-nine thousand, one hundred ninety-eight".