11780749 has 2 divisors, whose sum is σ = 11780750. Its totient is φ = 11780748.

The previous prime is 11780737. The next prime is 11780759. The reversal of 11780749 is 94708711.

11780749 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., 10692900 + 1087849 = 3270^2 + 1043^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11780749 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11780719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5890374 + 5890375.

It is an arithmetic number, because the mean of its divisors is an integer number (5890375).

Almost surely, 2^11780749 is an apocalyptic number.

It is an amenable number.

11780749 is a deficient number, since it is larger than the sum of its proper divisors (1).

11780749 is an equidigital number, since it uses as much as digits as its factorization.

11780749 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14112, while the sum is 37.

The square root of 11780749 is about 3432.3095722851. The cubic root of 11780749 is about 227.5399374398.

The spelling of 11780749 in words is "eleven million, seven hundred eighty thousand, seven hundred forty-nine".