11268021 has 16 divisors (see below), whose sum is σ = 15529536. Its totient is φ = 7262976.

The previous prime is 11268013. The next prime is 11268043. The reversal of 11268021 is 12086211.

It is not a de Polignac number, because 11268021 - 2³ = 11268013 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11268011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14191 + ... + 14963.

It is an arithmetic number, because the mean of its divisors is an integer number (970596).

Almost surely, 2^11268021 is an apocalyptic number.

It is an amenable number.

11268021 is a deficient number, since it is larger than the sum of its proper divisors (4261515).

11268021 is a wasteful number, since it uses less digits than its factorization.

11268021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 932.

The product of its (nonzero) digits is 192, while the sum is 21.

The square root of 11268021 is about 3356.7873033602. The cubic root of 11268021 is about 224.1898170484.

The spelling of 11268021 in words is "eleven million, two hundred sixty-eight thousand, twenty-one".