1327489 has 2 divisors, whose sum is σ = 1327490. Its totient is φ = 1327488.

The previous prime is 1327481. The next prime is 1327517. The reversal of 1327489 is 9847231.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1299600 + 27889 = 1140^2 + 167^2 .

It is a cyclic number.

It is not a de Polignac number, because 1327489 - 2³ = 1327481 is a prime.

It is not a weakly prime, because it can be changed into another prime (1327481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 663744 + 663745.

It is an arithmetic number, because the mean of its divisors is an integer number (663745).

2^1327489 is an apocalyptic number.

It is an amenable number.

1327489 is a deficient number, since it is larger than the sum of its proper divisors (1).

1327489 is an equidigital number, since it uses as much as digits as its factorization.

1327489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12096, while the sum is 34.

The square root of 1327489 is about 1152.1670885770. The cubic root of 1327489 is about 109.9031930657.

The spelling of 1327489 in words is "one million, three hundred twenty-seven thousand, four hundred eighty-nine".