11212245 has 24 divisors (see below), whose sum is σ = 21202272. Its totient is φ = 5436000.

The previous prime is 11212237. The next prime is 11212277. The reversal of 11212245 is 54221211.

It is not a de Polignac number, because 11212245 - 2³ = 11212237 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 10831 + ... + 11820.

It is an arithmetic number, because the mean of its divisors is an integer number (883428).

Almost surely, 2^11212245 is an apocalyptic number.

11212245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

11212245 is a deficient number, since it is larger than the sum of its proper divisors (9990027).

11212245 is a wasteful number, since it uses less digits than its factorization.

11212245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22673 (or 22670 counting only the distinct ones).

The product of its digits is 160, while the sum is 18.

The square root of 11212245 is about 3348.4690531644. The cubic root of 11212245 is about 223.8192964935.

Adding to 11212245 its reverse (54221211), we get a palindrome (65433456).

The spelling of 11212245 in words is "eleven million, two hundred twelve thousand, two hundred forty-five".