11646673 has 2 divisors, whose sum is σ = 11646674. Its totient is φ = 11646672.

The previous prime is 11646653. The next prime is 11646703. The reversal of 11646673 is 37664611.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10969344 + 677329 = 3312^2 + 823^2 .

It is an emirp because it is prime and its reverse (37664611) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11646673 is a prime.

It is a nialpdrome in base 8.

It is not a weakly prime, because it can be changed into another prime (11646623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5823336 + 5823337.

It is an arithmetic number, because the mean of its divisors is an integer number (5823337).

Almost surely, 2^11646673 is an apocalyptic number.

It is an amenable number.

11646673 is a deficient number, since it is larger than the sum of its proper divisors (1).

11646673 is an equidigital number, since it uses as much as digits as its factorization.

11646673 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 18144, while the sum is 34.

The square root of 11646673 is about 3412.7222271963. The cubic root of 11646673 is about 226.6734357360.

The spelling of 11646673 in words is "eleven million, six hundred forty-six thousand, six hundred seventy-three".