13243033 has 2 divisors, whose sum is σ = 13243034. Its totient is φ = 13243032.

The previous prime is 13243031. The next prime is 13243063. The reversal of 13243033 is 33034231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9809424 + 3433609 = 3132^2 + 1853^2 .

It is an emirp because it is prime and its reverse (33034231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13243033 - 2¹ = 13243031 is a prime.

Together with 13243031, it forms a pair of twin primes.

It is a plaindrome in base 15.

It is a self number, because there is not a number n which added to its sum of digits gives 13243033.

It is not a weakly prime, because it can be changed into another prime (13243031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6621516 + 6621517.

It is an arithmetic number, because the mean of its divisors is an integer number (6621517).

Almost surely, 2^13243033 is an apocalyptic number.

It is an amenable number.

13243033 is a deficient number, since it is larger than the sum of its proper divisors (1).

13243033 is an equidigital number, since it uses as much as digits as its factorization.

13243033 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 13243033 is about 3639.0978277590. The cubic root of 13243033 is about 236.5896928367.

Adding to 13243033 its reverse (33034231), we get a palindrome (46277264).

The spelling of 13243033 in words is "thirteen million, two hundred forty-three thousand, thirty-three".