1326197 has 2 divisors, whose sum is σ = 1326198. Its totient is φ = 1326196.

The previous prime is 1326167. The next prime is 1326239. The reversal of 1326197 is 7916231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 844561 + 481636 = 919^2 + 694^2 .

It is a cyclic number.

It is not a de Polignac number, because 1326197 - 2⁶ = 1326133 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1326137) 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, 663098 + 663099.

It is an arithmetic number, because the mean of its divisors is an integer number (663099).

2^1326197 is an apocalyptic number.

It is an amenable number.

1326197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1326197 is an equidigital number, since it uses as much as digits as its factorization.

1326197 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 29.

The square root of 1326197 is about 1151.6062695210. The cubic root of 1326197 is about 109.8675264760.

The spelling of 1326197 in words is "one million, three hundred twenty-six thousand, one hundred ninety-seven".