13335965 has 4 divisors (see below), whose sum is σ = 16003164. Its totient is φ = 10668768.

The previous prime is 13335943. The next prime is 13335989. The reversal of 13335965 is 56953331.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 5707321 + 7628644 = 2389^2 + 2762^2 .

It is a cyclic number.

It is not a de Polignac number, because 13335965 - 2⁶ = 13335901 is a prime.

It is a Duffinian 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, 1333592 + ... + 1333601.

It is an arithmetic number, because the mean of its divisors is an integer number (4000791).

Almost surely, 2^13335965 is an apocalyptic number.

It is an amenable number.

13335965 is a deficient number, since it is larger than the sum of its proper divisors (2667199).

13335965 is an equidigital number, since it uses as much as digits as its factorization.

13335965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2667198.

The product of its digits is 36450, while the sum is 35.

The square root of 13335965 is about 3651.8440547208. The cubic root of 13335965 is about 237.1418202023.

The spelling of 13335965 in words is "thirteen million, three hundred thirty-five thousand, nine hundred sixty-five".