11772587 has 2 divisors, whose sum is σ = 11772588. Its totient is φ = 11772586.

The previous prime is 11772569. The next prime is 11772589. The reversal of 11772587 is 78527711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11772587 - 2¹⁰ = 11771563 is a prime.

Together with 11772589, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 11772587.

It is not a weakly prime, because it can be changed into another prime (11772589) 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, 5886293 + 5886294.

It is an arithmetic number, because the mean of its divisors is an integer number (5886294).

Almost surely, 2^11772587 is an apocalyptic number.

11772587 is a deficient number, since it is larger than the sum of its proper divisors (1).

11772587 is an equidigital number, since it uses as much as digits as its factorization.

11772587 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27440, while the sum is 38.

The square root of 11772587 is about 3431.1203709576. The cubic root of 11772587 is about 227.4873768305.

The spelling of 11772587 in words is "eleven million, seven hundred seventy-two thousand, five hundred eighty-seven".