11474209 has 2 divisors, whose sum is σ = 11474210. Its totient is φ = 11474208.

The previous prime is 11474191. The next prime is 11474231. The reversal of 11474209 is 90247411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8761600 + 2712609 = 2960^2 + 1647^2 .

It is a cyclic number.

It is not a de Polignac number, because 11474209 - 2²³ = 3085601 is a prime.

It is not a weakly prime, because it can be changed into another prime (11474009) 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, 5737104 + 5737105.

It is an arithmetic number, because the mean of its divisors is an integer number (5737105).

Almost surely, 2^11474209 is an apocalyptic number.

It is an amenable number.

11474209 is a deficient number, since it is larger than the sum of its proper divisors (1).

11474209 is an equidigital number, since it uses as much as digits as its factorization.

11474209 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2016, while the sum is 28.

The square root of 11474209 is about 3387.3601816164. The cubic root of 11474209 is about 225.5490066431.

It can be divided in two parts, 1147 and 4209, that added together give a triangular number (5356 = T₁₀₃).

The spelling of 11474209 in words is "eleven million, four hundred seventy-four thousand, two hundred nine".