11328919 has 32 divisors (see below), whose sum is σ = 14708736. Its totient is φ = 8501760.

The previous prime is 11328901. The next prime is 11328931. The reversal of 11328919 is 91982311.

11328919 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11328919 - 2⁷ = 11328791 is a prime.

It is a super-2 number, since 2×11328919² = 256688811417122, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11328419) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 136452 + ... + 136534.

It is an arithmetic number, because the mean of its divisors is an integer number (459648).

Almost surely, 2^11328919 is an apocalyptic number.

11328919 is a deficient number, since it is larger than the sum of its proper divisors (3379817).

11328919 is a wasteful number, since it uses less digits than its factorization.

11328919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 175.

The product of its digits is 3888, while the sum is 34.

The square root of 11328919 is about 3365.8459560711. The cubic root of 11328919 is about 224.5929694656.

The spelling of 11328919 in words is "eleven million, three hundred twenty-eight thousand, nine hundred nineteen".