11945833 has 2 divisors, whose sum is σ = 11945834. Its totient is φ = 11945832.

The previous prime is 11945831. The next prime is 11945839. The reversal of 11945833 is 33854911.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6692569 + 5253264 = 2587^2 + 2292^2 .

It is a cyclic number.

It is not a de Polignac number, because 11945833 - 2¹ = 11945831 is a prime.

Together with 11945831, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11945831) 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, 5972916 + 5972917.

It is an arithmetic number, because the mean of its divisors is an integer number (5972917).

Almost surely, 2^11945833 is an apocalyptic number.

It is an amenable number.

11945833 is a deficient number, since it is larger than the sum of its proper divisors (1).

11945833 is an equidigital number, since it uses as much as digits as its factorization.

11945833 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12960, while the sum is 34.

The square root of 11945833 is about 3456.2744393349. The cubic root of 11945833 is about 228.5978525813.

The spelling of 11945833 in words is "eleven million, nine hundred forty-five thousand, eight hundred thirty-three".