11965769 has 2 divisors, whose sum is σ = 11965770. Its totient is φ = 11965768.

The previous prime is 11965753. The next prime is 11965771. The reversal of 11965769 is 96756911.

It is a happy number.

11965769 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11560000 + 405769 = 3400^2 + 637^2 .

It is a cyclic number.

It is not a de Polignac number, because 11965769 - 2⁴ = 11965753 is a prime.

It is a super-2 number, since 2×11965769² = 286359255522722, which contains 22 as substring.

Together with 11965771, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11965069) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5982884 + 5982885.

It is an arithmetic number, because the mean of its divisors is an integer number (5982885).

Almost surely, 2^11965769 is an apocalyptic number.

It is an amenable number.

11965769 is a deficient number, since it is larger than the sum of its proper divisors (1).

11965769 is an equidigital number, since it uses as much as digits as its factorization.

11965769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 102060, while the sum is 44.

The square root of 11965769 is about 3459.1572673124. The cubic root of 11965769 is about 228.7249483350.

The spelling of 11965769 in words is "eleven million, nine hundred sixty-five thousand, seven hundred sixty-nine".