13198501 has 2 divisors, whose sum is σ = 13198502. Its totient is φ = 13198500.

The previous prime is 13198489. The next prime is 13198541. The reversal of 13198501 is 10589131.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13147876 + 50625 = 3626^2 + 225^2 .

It is a cyclic number.

It is not a de Polignac number, because 13198501 - 2⁷ = 13198373 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 13198501.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13198541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6599250 + 6599251.

It is an arithmetic number, because the mean of its divisors is an integer number (6599251).

Almost surely, 2^13198501 is an apocalyptic number.

It is an amenable number.

13198501 is a deficient number, since it is larger than the sum of its proper divisors (1).

13198501 is an equidigital number, since it uses as much as digits as its factorization.

13198501 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 28.

The square root of 13198501 is about 3632.9741259745. The cubic root of 13198501 is about 236.3242037096.

The spelling of 13198501 in words is "thirteen million, one hundred ninety-eight thousand, five hundred one".