11685787 has 2 divisors, whose sum is σ = 11685788. Its totient is φ = 11685786.

The previous prime is 11685769. The next prime is 11685797. The reversal of 11685787 is 78758611.

It is a strong prime.

It is an emirp because it is prime and its reverse (78758611) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11685787 - 2¹¹ = 11683739 is a prime.

It is not a weakly prime, because it can be changed into another prime (11685727) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5842893 + 5842894.

It is an arithmetic number, because the mean of its divisors is an integer number (5842894).

Almost surely, 2^11685787 is an apocalyptic number.

11685787 is a deficient number, since it is larger than the sum of its proper divisors (1).

11685787 is an equidigital number, since it uses as much as digits as its factorization.

11685787 is an evil number, because the sum of its binary digits is even.

The product of its digits is 94080, while the sum is 43.

The square root of 11685787 is about 3418.4480396812. The cubic root of 11685787 is about 226.9269043440.

The spelling of 11685787 in words is "eleven million, six hundred eighty-five thousand, seven hundred eighty-seven".