11132971 has 4 divisors (see below), whose sum is σ = 11145744. Its totient is φ = 11120200.

The previous prime is 11132959. The next prime is 11133007. The reversal of 11132971 is 17923111.

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 11132971 - 2¹¹ = 11130923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11132911) 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 3 ways as a sum of consecutive naturals, for example, 4975 + ... + 6856.

It is an arithmetic number, because the mean of its divisors is an integer number (2786436).

Almost surely, 2^11132971 is an apocalyptic number.

11132971 is a deficient number, since it is larger than the sum of its proper divisors (12773).

11132971 is an equidigital number, since it uses as much as digits as its factorization.

11132971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12772.

The product of its digits is 378, while the sum is 25.

The square root of 11132971 is about 3336.6107054914. The cubic root of 11132971 is about 223.2905581304.

The spelling of 11132971 in words is "eleven million, one hundred thirty-two thousand, nine hundred seventy-one".