11445817 has 2 divisors, whose sum is σ = 11445818. Its totient is φ = 11445816.

The previous prime is 11445803. The next prime is 11445821. The reversal of 11445817 is 71854411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8386816 + 3059001 = 2896^2 + 1749^2 .

It is a cyclic number.

It is not a de Polignac number, because 11445817 - 2⁷ = 11445689 is a prime.

It is not a weakly prime, because it can be changed into another prime (11445877) 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, 5722908 + 5722909.

It is an arithmetic number, because the mean of its divisors is an integer number (5722909).

Almost surely, 2^11445817 is an apocalyptic number.

It is an amenable number.

11445817 is a deficient number, since it is larger than the sum of its proper divisors (1).

11445817 is an equidigital number, since it uses as much as digits as its factorization.

11445817 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4480, while the sum is 31.

The square root of 11445817 is about 3383.1667118249. The cubic root of 11445817 is about 225.3628187455.

The spelling of 11445817 in words is "eleven million, four hundred forty-five thousand, eight hundred seventeen".