1365065 has 8 divisors (see below), whose sum is σ = 1764168. Its totient is φ = 1008000.

The previous prime is 1365047. The next prime is 1365071. The reversal of 1365065 is 5605631.

It can be written as a sum of positive squares in 4 ways, for example, as 841 + 1364224 = 29^2 + 1168^2 .

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

It is not a de Polignac number, because 1365065 - 2⁸ = 1364809 is a prime.

It is a Duffinian number.

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, 10436 + ... + 10565.

It is an arithmetic number, because the mean of its divisors is an integer number (220521).

2^1365065 is an apocalyptic number.

It is an amenable number.

1365065 is a deficient number, since it is larger than the sum of its proper divisors (399103).

1365065 is a wasteful number, since it uses less digits than its factorization.

1365065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21019.

The product of its (nonzero) digits is 2700, while the sum is 26.

The square root of 1365065 is about 1168.3599616557. The cubic root of 1365065 is about 110.9305357660.

The spelling of 1365065 in words is "one million, three hundred sixty-five thousand, sixty-five".