11328971 has 4 divisors (see below), whose sum is σ = 11391744. Its totient is φ = 11266200.

The previous prime is 11328931. The next prime is 11328983. The reversal of 11328971 is 17982311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11328971 - 2¹⁰ = 11327947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11328901) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31115 + ... + 31476.

It is an arithmetic number, because the mean of its divisors is an integer number (2847936).

Almost surely, 2^11328971 is an apocalyptic number.

11328971 is a deficient number, since it is larger than the sum of its proper divisors (62773).

11328971 is an equidigital number, since it uses as much as digits as its factorization.

11328971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62772.

The product of its digits is 3024, while the sum is 32.

The square root of 11328971 is about 3365.8536807176. The cubic root of 11328971 is about 224.5933130940.

It can be divided in two parts, 113 and 28971, that multiplied together give a palindrome (3273723).

The spelling of 11328971 in words is "eleven million, three hundred twenty-eight thousand, nine hundred seventy-one".