11782741 has 2 divisors, whose sum is σ = 11782742. Its totient is φ = 11782740.

The previous prime is 11782723. The next prime is 11782747. The reversal of 11782741 is 14728711.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8820900 + 2961841 = 2970^2 + 1721^2 .

It is a cyclic number.

It is not a de Polignac number, because 11782741 - 2⁵ = 11782709 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11782747) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5891370 + 5891371.

It is an arithmetic number, because the mean of its divisors is an integer number (5891371).

Almost surely, 2^11782741 is an apocalyptic number.

It is an amenable number.

11782741 is a deficient number, since it is larger than the sum of its proper divisors (1).

11782741 is an equidigital number, since it uses as much as digits as its factorization.

11782741 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3136, while the sum is 31.

The square root of 11782741 is about 3432.5997436346. The cubic root of 11782741 is about 227.5527615822.

The spelling of 11782741 in words is "eleven million, seven hundred eighty-two thousand, seven hundred forty-one".