11332513 has 4 divisors (see below), whose sum is σ = 11546388. Its totient is φ = 11118640.

The previous prime is 11332507. The next prime is 11332547. The reversal of 11332513 is 31523311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31523311 = 31 ⋅1016881.

It can be written as a sum of positive squares in 2 ways, for example, as 4941729 + 6390784 = 2223^2 + 2528^2 .

It is a cyclic number.

It is not a de Polignac number, because 11332513 - 2⁹ = 11332001 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11332213) 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 in 3 ways as a sum of consecutive naturals, for example, 106858 + ... + 106963.

It is an arithmetic number, because the mean of its divisors is an integer number (2886597).

Almost surely, 2^11332513 is an apocalyptic number.

It is an amenable number.

11332513 is a deficient number, since it is larger than the sum of its proper divisors (213875).

11332513 is an equidigital number, since it uses as much as digits as its factorization.

11332513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213874.

The product of its digits is 270, while the sum is 19.

The square root of 11332513 is about 3366.3798062607. The cubic root of 11332513 is about 224.6167170032.

Adding to 11332513 its reverse (31523311), we get a palindrome (42855824).

The spelling of 11332513 in words is "eleven million, three hundred thirty-two thousand, five hundred thirteen".