11916787 has 2 divisors, whose sum is σ = 11916788. Its totient is φ = 11916786.

The previous prime is 11916763. The next prime is 11916799. The reversal of 11916787 is 78761911.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11916787 - 2⁷ = 11916659 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (11916757) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5958393 + 5958394.

It is an arithmetic number, because the mean of its divisors is an integer number (5958394).

Almost surely, 2^11916787 is an apocalyptic number.

11916787 is a deficient number, since it is larger than the sum of its proper divisors (1).

11916787 is an equidigital number, since it uses as much as digits as its factorization.

11916787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 21168, while the sum is 40.

The square root of 11916787 is about 3452.0699587349. The cubic root of 11916787 is about 228.4124255219.

The spelling of 11916787 in words is "eleven million, nine hundred sixteen thousand, seven hundred eighty-seven".