1327217 has 2 divisors, whose sum is σ = 1327218. Its totient is φ = 1327216.
The previous prime is 1327201. The next prime is 1327231. The reversal of 1327217 is 7127231.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 1018081 + 309136 = 1009^2 + 556^2 .
It is an emirp because it is prime and its reverse (7127231) is a distict prime.
It is a cyclic number.
It is not a de Polignac number, because 1327217 - 24 = 1327201 is a prime.
It is a Chen prime.
It is a junction number, because it is equal to n+sod(n) for n = 1327192 and 1327201.
It is not a weakly prime, because it can be changed into another prime (1327237) by changing a digit.
It is a pernicious number, because its binary representation contains a prime number (7) of ones.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 663608 + 663609.
It is an arithmetic number, because the mean of its divisors is an integer number (663609).
21327217 is an apocalyptic number.
It is an amenable number.
1327217 is a deficient number, since it is larger than the sum of its proper divisors (1).
1327217 is an equidigital number, since it uses as much as digits as its factorization.
1327217 is an odious number, because the sum of its binary digits is odd.
The product of its digits is 588, while the sum is 23.
The square root of 1327217 is about 1152.0490440949. The cubic root of 1327217 is about 109.8956862338.
The spelling of 1327217 in words is "one million, three hundred twenty-seven thousand, two hundred seventeen".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.000 sec. • engine limits •