11268291 has 4 divisors (see below), whose sum is σ = 15024392. Its totient is φ = 7512192.

The previous prime is 11268287. The next prime is 11268319. The reversal of 11268291 is 19286211.

It is a happy number.

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

It is not a de Polignac number, because 11268291 - 2² = 11268287 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11268281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1878046 + ... + 1878051.

It is an arithmetic number, because the mean of its divisors is an integer number (3756098).

Almost surely, 2^11268291 is an apocalyptic number.

11268291 is a deficient number, since it is larger than the sum of its proper divisors (3756101).

11268291 is an equidigital number, since it uses as much as digits as its factorization.

11268291 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3756100.

The product of its digits is 1728, while the sum is 30.

The square root of 11268291 is about 3356.8275201446. The cubic root of 11268291 is about 224.1916076842.

The spelling of 11268291 in words is "eleven million, two hundred sixty-eight thousand, two hundred ninety-one".