1323197 has 2 divisors, whose sum is σ = 1323198. Its totient is φ = 1323196.

The previous prime is 1323187. The next prime is 1323199. The reversal of 1323197 is 7913231.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1301881 + 21316 = 1141^2 + 146^2 .

It is an emirp because it is prime and its reverse (7913231) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1323197 - 2⁸ = 1322941 is a prime.

Together with 1323199, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1323199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 661598 + 661599.

It is an arithmetic number, because the mean of its divisors is an integer number (661599).

2^1323197 is an apocalyptic number.

It is an amenable number.

1323197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1323197 is an equidigital number, since it uses as much as digits as its factorization.

1323197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1134, while the sum is 26.

The square root of 1323197 is about 1150.3030035604. The cubic root of 1323197 is about 109.7846198831.

The spelling of 1323197 in words is "one million, three hundred twenty-three thousand, one hundred ninety-seven".