11478227 has 2 divisors, whose sum is σ = 11478228. Its totient is φ = 11478226.

The previous prime is 11478221. The next prime is 11478317. The reversal of 11478227 is 72287411.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 11478227 - 2¹² = 11474131 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 11478193 and 11478202.

It is not a weakly prime, because it can be changed into another prime (11478221) 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, 5739113 + 5739114.

It is an arithmetic number, because the mean of its divisors is an integer number (5739114).

Almost surely, 2^11478227 is an apocalyptic number.

11478227 is a deficient number, since it is larger than the sum of its proper divisors (1).

11478227 is an equidigital number, since it uses as much as digits as its factorization.

11478227 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6272, while the sum is 32.

The square root of 11478227 is about 3387.9532169143. The cubic root of 11478227 is about 225.5753309021.

The spelling of 11478227 in words is "eleven million, four hundred seventy-eight thousand, two hundred twenty-seven".