13198243 has 2 divisors, whose sum is σ = 13198244. Its totient is φ = 13198242.

The previous prime is 13198223. The next prime is 13198249. The reversal of 13198243 is 34289131.

13198243 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13198243 - 2⁹ = 13197731 is a prime.

It is not a weakly prime, because it can be changed into another prime (13198249) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6599121 + 6599122.

It is an arithmetic number, because the mean of its divisors is an integer number (6599122).

Almost surely, 2^13198243 is an apocalyptic number.

13198243 is a deficient number, since it is larger than the sum of its proper divisors (1).

13198243 is an equidigital number, since it uses as much as digits as its factorization.

13198243 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 31.

The square root of 13198243 is about 3632.9386177033. The cubic root of 13198243 is about 236.3226638367.

The spelling of 13198243 in words is "thirteen million, one hundred ninety-eight thousand, two hundred forty-three".