1300009 has 4 divisors (see below), whose sum is σ = 1305216. Its totient is φ = 1294804.

The previous prime is 1299989. The next prime is 1300021. The reversal of 1300009 is 9000031.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9000031 = 71 ⋅126761.

It is a cyclic number.

It is not a de Polignac number, because 1300009 - 2¹³ = 1291817 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1300309) 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 in 3 ways as a sum of consecutive naturals, for example, 2209 + ... + 2734.

It is an arithmetic number, because the mean of its divisors is an integer number (326304).

2^1300009 is an apocalyptic number.

It is an amenable number.

1300009 is a deficient number, since it is larger than the sum of its proper divisors (5207).

1300009 is an equidigital number, since it uses as much as digits as its factorization.

1300009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5206.

The product of its (nonzero) digits is 27, while the sum is 13.

The square root of 1300009 is about 1140.1793718534. The cubic root of 1300009 is about 109.1395401654.

The spelling of 1300009 in words is "one million, three hundred thousand, nine".