11712787 has 2 divisors, whose sum is σ = 11712788. Its totient is φ = 11712786.

The previous prime is 11712763. The next prime is 11712791. The reversal of 11712787 is 78721711.

11712787 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11712787 - 2²³ = 3324179 is a prime.

It is not a weakly prime, because it can be changed into another prime (11712707) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5856393 + 5856394.

It is an arithmetic number, because the mean of its divisors is an integer number (5856394).

Almost surely, 2^11712787 is an apocalyptic number.

11712787 is a deficient number, since it is larger than the sum of its proper divisors (1).

11712787 is an equidigital number, since it uses as much as digits as its factorization.

11712787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5488, while the sum is 34.

The square root of 11712787 is about 3422.3949216886. The cubic root of 11712787 is about 227.1015413806.

The spelling of 11712787 in words is "eleven million, seven hundred twelve thousand, seven hundred eighty-seven".