1345565 has 16 divisors (see below), whose sum is σ = 1763328. Its totient is φ = 979776.

The previous prime is 1345559. The next prime is 1345577. The reversal of 1345565 is 5655431.

It is a cyclic number.

It is not a de Polignac number, because 1345565 - 2⁴ = 1345549 is a prime.

It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8174 + ... + 8336.

It is an arithmetic number, because the mean of its divisors is an integer number (110208).

2^1345565 is an apocalyptic number.

It is an amenable number.

1345565 is a deficient number, since it is larger than the sum of its proper divisors (417763).

1345565 is a wasteful number, since it uses less digits than its factorization.

1345565 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308.

The product of its digits is 9000, while the sum is 29.

The square root of 1345565 is about 1159.9849136950. The cubic root of 1345565 is about 110.3997849275.

The spelling of 1345565 in words is "one million, three hundred forty-five thousand, five hundred sixty-five".