11488513 has 2 divisors, whose sum is σ = 11488514. Its totient is φ = 11488512.

The previous prime is 11488511. The next prime is 11488541. The reversal of 11488513 is 31588411.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10837264 + 651249 = 3292^2 + 807^2 .

It is a cyclic number.

It is not a de Polignac number, because 11488513 - 2¹ = 11488511 is a prime.

Together with 11488511, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (11488511) 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, 5744256 + 5744257.

It is an arithmetic number, because the mean of its divisors is an integer number (5744257).

Almost surely, 2^11488513 is an apocalyptic number.

It is an amenable number.

11488513 is a deficient number, since it is larger than the sum of its proper divisors (1).

11488513 is an equidigital number, since it uses as much as digits as its factorization.

11488513 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3840, while the sum is 31.

The square root of 11488513 is about 3389.4709026631. The cubic root of 11488513 is about 225.6426924992.

The spelling of 11488513 in words is "eleven million, four hundred eighty-eight thousand, five hundred thirteen".