11553247 has 2 divisors, whose sum is σ = 11553248. Its totient is φ = 11553246.

The previous prime is 11553193. The next prime is 11553257. The reversal of 11553247 is 74235511.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 11553247 - 2⁷ = 11553119 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 (11553257) 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, 5776623 + 5776624.

It is an arithmetic number, because the mean of its divisors is an integer number (5776624).

Almost surely, 2^11553247 is an apocalyptic number.

11553247 is a deficient number, since it is larger than the sum of its proper divisors (1).

11553247 is an equidigital number, since it uses as much as digits as its factorization.

11553247 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4200, while the sum is 28.

The square root of 11553247 is about 3399.0067666894. The cubic root of 11553247 is about 226.0657064803.

Adding to 11553247 its reverse (74235511), we get a palindrome (85788758).

The spelling of 11553247 in words is "eleven million, five hundred fifty-three thousand, two hundred forty-seven".