11471219 has 2 divisors, whose sum is σ = 11471220. Its totient is φ = 11471218.

The previous prime is 11471203. The next prime is 11471309. The reversal of 11471219 is 91217411.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11471219 - 2⁴ = 11471203 is a prime.

It is a super-2 number, since 2×11471219² = 263177730691922, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (11471819) 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, 5735609 + 5735610.

It is an arithmetic number, because the mean of its divisors is an integer number (5735610).

Almost surely, 2^11471219 is an apocalyptic number.

11471219 is a deficient number, since it is larger than the sum of its proper divisors (1).

11471219 is an equidigital number, since it uses as much as digits as its factorization.

11471219 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 504, while the sum is 26.

The square root of 11471219 is about 3386.9188062308. The cubic root of 11471219 is about 225.5294134228.

The spelling of 11471219 in words is "eleven million, four hundred seventy-one thousand, two hundred nineteen".