11965765 has 8 divisors (see below), whose sum is σ = 16410240. Its totient is φ = 8205072.

The previous prime is 11965753. The next prime is 11965769. The reversal of 11965765 is 56756911.

11965765 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 11965765 - 2⁹ = 11965253 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11965769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 170905 + ... + 170974.

It is an arithmetic number, because the mean of its divisors is an integer number (2051280).

Almost surely, 2^11965765 is an apocalyptic number.

It is an amenable number.

11965765 is a deficient number, since it is larger than the sum of its proper divisors (4444475).

11965765 is an equidigital number, since it uses as much as digits as its factorization.

11965765 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 341891.

The product of its digits is 56700, while the sum is 40.

The square root of 11965765 is about 3459.1566891368. The cubic root of 11965765 is about 228.7249228484.

The spelling of 11965765 in words is "eleven million, nine hundred sixty-five thousand, seven hundred sixty-five".