11291267 has 4 divisors (see below), whose sum is σ = 12159840. Its totient is φ = 10422696.

The previous prime is 11291261. The next prime is 11291297. The reversal of 11291267 is 76219211.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 76219211 = 17 ⋅4483483.

It is a cyclic number.

It is not a de Polignac number, because 11291267 - 2⁴ = 11291251 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11291261) 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, 434267 + ... + 434292.

It is an arithmetic number, because the mean of its divisors is an integer number (3039960).

Almost surely, 2^11291267 is an apocalyptic number.

11291267 is a deficient number, since it is larger than the sum of its proper divisors (868573).

11291267 is an equidigital number, since it uses as much as digits as its factorization.

11291267 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 868572.

The product of its digits is 1512, while the sum is 29.

The square root of 11291267 is about 3360.2480563197. The cubic root of 11291267 is about 224.3438794991.

The spelling of 11291267 in words is "eleven million, two hundred ninety-one thousand, two hundred sixty-seven".