11530307 has 4 divisors (see below), whose sum is σ = 11811576. Its totient is φ = 11249040.

The previous prime is 11530297. The next prime is 11530319. The reversal of 11530307 is 70303511.

It is a happy number.

11530307 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 70303511 = 29 ⋅2424259.

It is a cyclic number.

It is not a de Polignac number, because 11530307 - 2¹⁰ = 11529283 is a prime.

It is a super-3 number, since 3×11530307³ (a number of 22 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11530327) 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, 140573 + ... + 140654.

It is an arithmetic number, because the mean of its divisors is an integer number (2952894).

Almost surely, 2^11530307 is an apocalyptic number.

11530307 is a deficient number, since it is larger than the sum of its proper divisors (281269).

11530307 is an equidigital number, since it uses as much as digits as its factorization.

11530307 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281268.

The product of its (nonzero) digits is 315, while the sum is 20.

The square root of 11530307 is about 3395.6305747239. The cubic root of 11530307 is about 225.9159828143.

Adding to 11530307 its reverse (70303511), we get a palindrome (81833818).

The spelling of 11530307 in words is "eleven million, five hundred thirty thousand, three hundred seven".