11272985 has 16 divisors (see below), whose sum is σ = 14385600. Its totient is φ = 8456256.

The previous prime is 11272981. The next prime is 11272999. The reversal of 11272985 is 58927211.

It is a cyclic number.

It is not a de Polignac number, because 11272985 - 2² = 11272981 is a prime.

It is not an unprimeable number, because it can be changed into a prime (11272981) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9611 + ... + 10719.

It is an arithmetic number, because the mean of its divisors is an integer number (899100).

Almost surely, 2^11272985 is an apocalyptic number.

It is an amenable number.

11272985 is a deficient number, since it is larger than the sum of its proper divisors (3112615).

11272985 is a wasteful number, since it uses less digits than its factorization.

11272985 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1240.

The product of its digits is 10080, while the sum is 35.

The square root of 11272985 is about 3357.5266194030. The cubic root of 11272985 is about 224.2227336498. Note that the first 3 decimals are identical.

The spelling of 11272985 in words is "eleven million, two hundred seventy-two thousand, nine hundred eighty-five".