1326449 has 2 divisors, whose sum is σ = 1326450.
Its totient is φ = 1326448.
The previous prime is 1326443. The next prime is 1326461. The reversal of 1326449 is 9446231.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 774400 + 552049 = 880^2 + 743^2
It is an emirp because it is prime and its reverse (9446231) is a distict prime.
It is a cyclic number.
It is a de Polignac number, because none of the positive numbers 2k-1326449 is a prime.
It is a Chen prime.
It is an Ulam number.
It is not a weakly prime, because it can be changed into another prime (1326443) 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, 663224 + 663225.
It is an arithmetic number, because the mean of its divisors is an integer number (663225).
21326449 is an apocalyptic number.
It is an amenable number.
1326449 is a deficient number, since it is larger than the sum of its proper divisors (1).
1326449 is an equidigital number, since it uses as much as digits as its factorization.
1326449 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 5184, while the sum is 29.
The square root of 1326449 is about 1151.7156767189.
The cubic root of 1326449 is about 109.8744849352.
It can be divided in two parts, 13 and 26449, that added together give a palindrome (26462).
The spelling of 1326449 in words is "one million, three hundred twenty-six thousand, four hundred forty-nine".