13198699 has 2 divisors, whose sum is σ = 13198700. Its totient is φ = 13198698.

The previous prime is 13198697. The next prime is 13198723. The reversal of 13198699 is 99689131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13198699 - 2¹ = 13198697 is a prime.

Together with 13198697, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13198697) 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, 6599349 + 6599350.

It is an arithmetic number, because the mean of its divisors is an integer number (6599350).

Almost surely, 2^13198699 is an apocalyptic number.

13198699 is a deficient number, since it is larger than the sum of its proper divisors (1).

13198699 is an equidigital number, since it uses as much as digits as its factorization.

13198699 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 104976, while the sum is 46.

The square root of 13198699 is about 3633.0013762728. The cubic root of 13198699 is about 236.3253854589.

The spelling of 13198699 in words is "thirteen million, one hundred ninety-eight thousand, six hundred ninety-nine".