11020447 has 2 divisors, whose sum is σ = 11020448. Its totient is φ = 11020446.

The previous prime is 11020441. The next prime is 11020459. The reversal of 11020447 is 74402011.

It is a weak prime.

It is an emirp because it is prime and its reverse (74402011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11020447 - 2³ = 11020439 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11020441) 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, 5510223 + 5510224.

It is an arithmetic number, because the mean of its divisors is an integer number (5510224).

Almost surely, 2^11020447 is an apocalyptic number.

11020447 is a deficient number, since it is larger than the sum of its proper divisors (1).

11020447 is an equidigital number, since it uses as much as digits as its factorization.

11020447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 11020447 is about 3319.7058604641. The cubic root of 11020447 is about 222.5357229181.

Adding to 11020447 its reverse (74402011), we get a palindrome (85422458).

The spelling of 11020447 in words is "eleven million, twenty thousand, four hundred forty-seven".