11765969 has 2 divisors, whose sum is σ = 11765970. Its totient is φ = 11765968.

The previous prime is 11765953. The next prime is 11765981. The reversal of 11765969 is 96956711.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11730625 + 35344 = 3425^2 + 188^2 .

It is an emirp because it is prime and its reverse (96956711) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11765969 - 2⁴ = 11765953 is a prime.

It is a super-2 number, since 2×11765969² = 276876053017922, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (11765069) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5882984 + 5882985.

It is an arithmetic number, because the mean of its divisors is an integer number (5882985).

Almost surely, 2^11765969 is an apocalyptic number.

It is an amenable number.

11765969 is a deficient number, since it is larger than the sum of its proper divisors (1).

11765969 is an equidigital number, since it uses as much as digits as its factorization.

11765969 is an odious number, because the sum of its binary digits is odd.

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

The square root of 11765969 is about 3430.1558273641. The cubic root of 11765969 is about 227.4447412382. Note that the first 3 decimals are identical.

The spelling of 11765969 in words is "eleven million, seven hundred sixty-five thousand, nine hundred sixty-nine".