11272872 has 32 divisors (see below), whose sum is σ = 30350880. Its totient is φ = 3468480.

The previous prime is 11272843. The next prime is 11272897. The reversal of 11272872 is 27827211.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17754 + ... + 18377.

It is an arithmetic number, because the mean of its divisors is an integer number (948465).

Almost surely, 2^11272872 is an apocalyptic number.

11272872 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11272872 is an abundant number, since it is smaller than the sum of its proper divisors (19078008).

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

11272872 is a wasteful number, since it uses less digits than its factorization.

11272872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36153 (or 36149 counting only the distinct ones).

The product of its digits is 3136, while the sum is 30.

The square root of 11272872 is about 3357.5097914973. The cubic root of 11272872 is about 224.2219844471.

The spelling of 11272872 in words is "eleven million, two hundred seventy-two thousand, eight hundred seventy-two".