13191103 has 2 divisors, whose sum is σ = 13191104. Its totient is φ = 13191102.

The previous prime is 13191097. The next prime is 13191169. The reversal of 13191103 is 30119131.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13191103 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13191403) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6595551 + 6595552.

It is an arithmetic number, because the mean of its divisors is an integer number (6595552).

Almost surely, 2^13191103 is an apocalyptic number.

13191103 is a deficient number, since it is larger than the sum of its proper divisors (1).

13191103 is an equidigital number, since it uses as much as digits as its factorization.

13191103 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81, while the sum is 19.

The square root of 13191103 is about 3631.9558092025. The cubic root of 13191103 is about 236.2800407849.

The spelling of 13191103 in words is "thirteen million, one hundred ninety-one thousand, one hundred three".