11786261 has 2 divisors, whose sum is σ = 11786262. Its totient is φ = 11786260.

The previous prime is 11786233. The next prime is 11786297. The reversal of 11786261 is 16268711.

It is a happy number.

11786261 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10080625 + 1705636 = 3175^2 + 1306^2 .

It is a cyclic number.

It is not a de Polignac number, because 11786261 - 2⁶ = 11786197 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 (11786161) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5893130 + 5893131.

It is an arithmetic number, because the mean of its divisors is an integer number (5893131).

Almost surely, 2^11786261 is an apocalyptic number.

It is an amenable number.

11786261 is a deficient number, since it is larger than the sum of its proper divisors (1).

11786261 is an equidigital number, since it uses as much as digits as its factorization.

11786261 is an evil number, because the sum of its binary digits is even.

The product of its digits is 4032, while the sum is 32.

The square root of 11786261 is about 3433.1124362596. The cubic root of 11786261 is about 227.5754191843.

The spelling of 11786261 in words is "eleven million, seven hundred eighty-six thousand, two hundred sixty-one".