1300865 has 8 divisors (see below), whose sum is σ = 1572288. Its totient is φ = 1033200.

The previous prime is 1300843. The next prime is 1300907. The reversal of 1300865 is 5680031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1300865 - 2⁸ = 1300609 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1300865.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 107 + ... + 1616.

It is an arithmetic number, because the mean of its divisors is an integer number (196536).

2^1300865 is an apocalyptic number.

It is an amenable number.

1300865 is a deficient number, since it is larger than the sum of its proper divisors (271423).

1300865 is a wasteful number, since it uses less digits than its factorization.

1300865 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879.

The product of its (nonzero) digits is 720, while the sum is 23.

The square root of 1300865 is about 1140.5546896138. The cubic root of 1300865 is about 109.1634894737.

Adding to 1300865 its reverse (5680031), we get a palindrome (6980896).

The spelling of 1300865 in words is "one million, three hundred thousand, eight hundred sixty-five".