13247833 has 2 divisors, whose sum is σ = 13247834. Its totient is φ = 13247832.

The previous prime is 13247803. The next prime is 13247849. The reversal of 13247833 is 33874231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9909904 + 3337929 = 3148^2 + 1827^2 .

It is an emirp because it is prime and its reverse (33874231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13247833 - 2⁹ = 13247321 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13247795 and 13247804.

It is not a weakly prime, because it can be changed into another prime (13247803) 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, 6623916 + 6623917.

It is an arithmetic number, because the mean of its divisors is an integer number (6623917).

Almost surely, 2^13247833 is an apocalyptic number.

It is an amenable number.

13247833 is a deficient number, since it is larger than the sum of its proper divisors (1).

13247833 is an equidigital number, since it uses as much as digits as its factorization.

13247833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12096, while the sum is 31.

The square root of 13247833 is about 3639.7572721268. The cubic root of 13247833 is about 236.6182737352.

The spelling of 13247833 in words is "thirteen million, two hundred forty-seven thousand, eight hundred thirty-three".