11006647 has 2 divisors, whose sum is σ = 11006648. Its totient is φ = 11006646.

The previous prime is 11006629. The next prime is 11006659. The reversal of 11006647 is 74660011.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (74660011) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 11006647 - 2²³ = 2618039 is a prime.

It is a super-2 number, since 2×11006647² = 242292556365218, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11001647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5503323 + 5503324.

It is an arithmetic number, because the mean of its divisors is an integer number (5503324).

Almost surely, 2^11006647 is an apocalyptic number.

11006647 is a deficient number, since it is larger than the sum of its proper divisors (1).

11006647 is an equidigital number, since it uses as much as digits as its factorization.

11006647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1008, while the sum is 25.

The square root of 11006647 is about 3317.6267119735. The cubic root of 11006647 is about 222.4427963874.

Adding to 11006647 its reverse (74660011), we get a palindrome (85666658).

The spelling of 11006647 in words is "eleven million, six thousand, six hundred forty-seven".