11272205 has 24 divisors (see below), whose sum is σ = 15896160. Its totient is φ = 7650720.

The previous prime is 11272193. The next prime is 11272211. The reversal of 11272205 is 50227211.

It is not a de Polignac number, because 11272205 - 2¹⁰ = 11271181 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 33890 + ... + 34220.

It is an arithmetic number, because the mean of its divisors is an integer number (662340).

Almost surely, 2^11272205 is an apocalyptic number.

It is an amenable number.

11272205 is a deficient number, since it is larger than the sum of its proper divisors (4623955).

11272205 is a wasteful number, since it uses less digits than its factorization.

11272205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 489 (or 482 counting only the distinct ones).

The product of its (nonzero) digits is 280, while the sum is 20.

The square root of 11272205 is about 3357.4104604591. The cubic root of 11272205 is about 224.2175620599.

Adding to 11272205 its reverse (50227211), we get a palindrome (61499416).

The spelling of 11272205 in words is "eleven million, two hundred seventy-two thousand, two hundred five".