11766749 has 2 divisors, whose sum is σ = 11766750. Its totient is φ = 11766748.

The previous prime is 11766739. The next prime is 11766751. The reversal of 11766749 is 94766711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11764900 + 1849 = 3430^2 + 43^2 .

It is a cyclic number.

It is not a de Polignac number, because 11766749 - 2⁸ = 11766493 is a prime.

Together with 11766751, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11766739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5883374 + 5883375.

It is an arithmetic number, because the mean of its divisors is an integer number (5883375).

Almost surely, 2^11766749 is an apocalyptic number.

It is an amenable number.

11766749 is a deficient number, since it is larger than the sum of its proper divisors (1).

11766749 is an equidigital number, since it uses as much as digits as its factorization.

11766749 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 63504, while the sum is 41.

The square root of 11766749 is about 3430.2695229384. The cubic root of 11766749 is about 227.4497671163.

It can be divided in two parts, 117 and 66749, that added together give a palindrome (66866).

The spelling of 11766749 in words is "eleven million, seven hundred sixty-six thousand, seven hundred forty-nine".