1300712009 has 4 divisors (see below), whose sum is σ = 1312868304. Its totient is φ = 1288555716.

The previous prime is 1300711991. The next prime is 1300712027. The reversal of 1300712009 is 9002170031.

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.

It is an interprime number because it is at equal distance from previous prime (1300711991) and next prime (1300712027).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1300712009 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1300712069) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6077987 + ... + 6078200.

It is an arithmetic number, because the mean of its divisors is an integer number (328217076).

Almost surely, 2^1300712009 is an apocalyptic number.

It is an amenable number.

1300712009 is a deficient number, since it is larger than the sum of its proper divisors (12156295).

1300712009 is a wasteful number, since it uses less digits than its factorization.

1300712009 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12156294.

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 1300712009 is about 36065.3851913438. The cubic root of 1300712009 is about 1091.5920983763.

The spelling of 1300712009 in words is "one billion, three hundred million, seven hundred twelve thousand, nine".