11686061 has 2 divisors, whose sum is σ = 11686062. Its totient is φ = 11686060.

The previous prime is 11686057. The next prime is 11686063. The reversal of 11686061 is 16068611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11055625 + 630436 = 3325^2 + 794^2 .

It is a cyclic number.

It is not a de Polignac number, because 11686061 - 2² = 11686057 is a prime.

Together with 11686063, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11686063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5843030 + 5843031.

It is an arithmetic number, because the mean of its divisors is an integer number (5843031).

Almost surely, 2^11686061 is an apocalyptic number.

It is an amenable number.

11686061 is a deficient number, since it is larger than the sum of its proper divisors (1).

11686061 is an equidigital number, since it uses as much as digits as its factorization.

11686061 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1728, while the sum is 29.

The square root of 11686061 is about 3418.4881161122. The cubic root of 11686061 is about 226.9286779369.

The spelling of 11686061 in words is "eleven million, six hundred eighty-six thousand, sixty-one".