11242665 has 32 divisors (see below), whose sum is σ = 22844160. Its totient is φ = 5139072.

The previous prime is 11242663. The next prime is 11242681. The reversal of 11242665 is 56624211.

11242665 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11242665 - 2¹ = 11242663 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (11242663) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5004 + ... + 6893.

It is an arithmetic number, because the mean of its divisors is an integer number (713880).

Almost surely, 2^11242665 is an apocalyptic number.

11242665 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11242665 is an abundant number, since it is smaller than the sum of its proper divisors (11601495).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11242665 is a wasteful number, since it uses less digits than its factorization.

11242665 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11918 (or 11912 counting only the distinct ones).

The product of its digits is 2880, while the sum is 27.

The square root of 11242665 is about 3353.0083507203. The cubic root of 11242665 is about 224.0215288088.

Adding to 11242665 its reverse (56624211), we get a palindrome (67866876).

The spelling of 11242665 in words is "eleven million, two hundred forty-two thousand, six hundred sixty-five".