11647061 has 2 divisors, whose sum is σ = 11647062. Its totient is φ = 11647060.

The previous prime is 11647033. The next prime is 11647063. The reversal of 11647061 is 16074611.

11647061 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11600836 + 46225 = 3406^2 + 215^2 .

It is a cyclic number.

It is not a de Polignac number, because 11647061 - 2⁶ = 11646997 is a prime.

It is a Sophie Germain prime.

Together with 11647063, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11647061.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11647063) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5823530 + 5823531.

It is an arithmetic number, because the mean of its divisors is an integer number (5823531).

Almost surely, 2^11647061 is an apocalyptic number.

It is an amenable number.

11647061 is a deficient number, since it is larger than the sum of its proper divisors (1).

11647061 is an equidigital number, since it uses as much as digits as its factorization.

11647061 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 26.

The square root of 11647061 is about 3412.7790728379. The cubic root of 11647061 is about 226.6759528587.

The spelling of 11647061 in words is "eleven million, six hundred forty-seven thousand, sixty-one".