11328515 has 16 divisors (see below), whose sum is σ = 14903136. Its totient is φ = 8198400.

The previous prime is 11328497. The next prime is 11328517. The reversal of 11328515 is 51582311.

It is a happy number.

It is not a de Polignac number, because 11328515 - 2⁶ = 11328451 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11328517) 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 in 15 ways as a sum of consecutive naturals, for example, 15089 + ... + 15821.

It is an arithmetic number, because the mean of its divisors is an integer number (931446).

Almost surely, 2^11328515 is an apocalyptic number.

11328515 is a deficient number, since it is larger than the sum of its proper divisors (3574621).

11328515 is a wasteful number, since it uses less digits than its factorization.

11328515 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1030.

The product of its digits is 1200, while the sum is 26.

The square root of 11328515 is about 3365.7859409059. The cubic root of 11328515 is about 224.5902997010.

The spelling of 11328515 in words is "eleven million, three hundred twenty-eight thousand, five hundred fifteen".