13162243 has 2 divisors, whose sum is σ = 13162244. Its totient is φ = 13162242.

The previous prime is 13162241. The next prime is 13162249. The reversal of 13162243 is 34226131.

It is a weak prime.

It is an emirp because it is prime and its reverse (34226131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 13162243 - 2¹ = 13162241 is a prime.

Together with 13162241, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (13162241) 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, 6581121 + 6581122.

It is an arithmetic number, because the mean of its divisors is an integer number (6581122).

Almost surely, 2^13162243 is an apocalyptic number.

13162243 is a deficient number, since it is larger than the sum of its proper divisors (1).

13162243 is an equidigital number, since it uses as much as digits as its factorization.

13162243 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 864, while the sum is 22.

The square root of 13162243 is about 3627.9805677539. The cubic root of 13162243 is about 236.1076007947.

Adding to 13162243 its reverse (34226131), we get a palindrome (47388374).

The spelling of 13162243 in words is "thirteen million, one hundred sixty-two thousand, two hundred forty-three".