11471893 has 2 divisors, whose sum is σ = 11471894. Its totient is φ = 11471892.

The previous prime is 11471861. The next prime is 11471909. The reversal of 11471893 is 39817411.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11410884 + 61009 = 3378^2 + 247^2 .

It is a cyclic number.

It is not a de Polignac number, because 11471893 - 2⁵ = 11471861 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11471393) 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, 5735946 + 5735947.

It is an arithmetic number, because the mean of its divisors is an integer number (5735947).

Almost surely, 2^11471893 is an apocalyptic number.

It is an amenable number.

11471893 is a deficient number, since it is larger than the sum of its proper divisors (1).

11471893 is an equidigital number, since it uses as much as digits as its factorization.

11471893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6048, while the sum is 34.

The square root of 11471893 is about 3387.0183052354. The cubic root of 11471893 is about 225.5338303857.

The spelling of 11471893 in words is "eleven million, four hundred seventy-one thousand, eight hundred ninety-three".