13198139 has 2 divisors, whose sum is σ = 13198140. Its totient is φ = 13198138.

The previous prime is 13198127. The next prime is 13198147. The reversal of 13198139 is 93189131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13198139 - 2²⁰ = 12149563 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13198099 and 13198108.

It is not a weakly prime, because it can be changed into another prime (13198109) 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, 6599069 + 6599070.

It is an arithmetic number, because the mean of its divisors is an integer number (6599070).

Almost surely, 2^13198139 is an apocalyptic number.

13198139 is a deficient number, since it is larger than the sum of its proper divisors (1).

13198139 is an equidigital number, since it uses as much as digits as its factorization.

13198139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5832, while the sum is 35.

The square root of 13198139 is about 3632.9243041935. The cubic root of 13198139 is about 236.3220431071.

The spelling of 13198139 in words is "thirteen million, one hundred ninety-eight thousand, one hundred thirty-nine".