11292971 has 4 divisors (see below), whose sum is σ = 11436000. Its totient is φ = 11149944.

The previous prime is 11292923. The next prime is 11292997. The reversal of 11292971 is 17929211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17929211 = 53 ⋅338287.

It is a cyclic number.

It is not a de Polignac number, because 11292971 - 2⁶ = 11292907 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11292901) 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, 71396 + ... + 71553.

It is an arithmetic number, because the mean of its divisors is an integer number (2859000).

Almost surely, 2^11292971 is an apocalyptic number.

11292971 is a deficient number, since it is larger than the sum of its proper divisors (143029).

11292971 is an equidigital number, since it uses as much as digits as its factorization.

11292971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143028.

The product of its digits is 2268, while the sum is 32.

The square root of 11292971 is about 3360.5015994640. The cubic root of 11292971 is about 224.3551644075.

The spelling of 11292971 in words is "eleven million, two hundred ninety-two thousand, nine hundred seventy-one".