1335965 has 4 divisors (see below), whose sum is σ = 1603164. Its totient is φ = 1068768.

The previous prime is 1335953. The next prime is 1335977. The reversal of 1335965 is 5695331.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5695331 = 349 ⋅16319.

It is an interprime number because it is at equal distance from previous prime (1335953) and next prime (1335977).

It can be written as a sum of positive squares in 2 ways, for example, as 139129 + 1196836 = 373^2 + 1094^2 .

It is a cyclic number.

It is not a de Polignac number, because 1335965 - 2⁴ = 1335949 is a prime.

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 3 ways as a sum of consecutive naturals, for example, 133592 + ... + 133601.

It is an arithmetic number, because the mean of its divisors is an integer number (400791).

2^1335965 is an apocalyptic number.

It is an amenable number.

1335965 is a deficient number, since it is larger than the sum of its proper divisors (267199).

1335965 is an equidigital number, since it uses as much as digits as its factorization.

1335965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267198.

The product of its digits is 12150, while the sum is 32.

The square root of 1335965 is about 1155.8395217330. The cubic root of 1335965 is about 110.1366071392.

The spelling of 1335965 in words is "one million, three hundred thirty-five thousand, nine hundred sixty-five".