11132447 has 2 divisors, whose sum is σ = 11132448. Its totient is φ = 11132446.

The previous prime is 11132419. The next prime is 11132453. The reversal of 11132447 is 74423111.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11132447 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (11132417) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5566223 + 5566224.

It is an arithmetic number, because the mean of its divisors is an integer number (5566224).

Almost surely, 2^11132447 is an apocalyptic number.

11132447 is a deficient number, since it is larger than the sum of its proper divisors (1).

11132447 is an equidigital number, since it uses as much as digits as its factorization.

11132447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 672, while the sum is 23.

The square root of 11132447 is about 3336.5321817720. The cubic root of 11132447 is about 223.2870548401.

Adding to 11132447 its reverse (74423111), we get a palindrome (85555558).

The spelling of 11132447 in words is "eleven million, one hundred thirty-two thousand, four hundred forty-seven".