11872272 has 20 divisors (see below), whose sum is σ = 30670160. Its totient is φ = 3957408.

The previous prime is 11872271. The next prime is 11872277. The reversal of 11872272 is 27227811.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (11872271) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 123622 + ... + 123717.

It is an arithmetic number, because the mean of its divisors is an integer number (1533508).

Almost surely, 2^11872272 is an apocalyptic number.

11872272 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

11872272 is an abundant number, since it is smaller than the sum of its proper divisors (18797888).

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

11872272 is a wasteful number, since it uses less digits than its factorization.

11872272 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247350 (or 247344 counting only the distinct ones).

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

The square root of 11872272 is about 3445.6163454453. The cubic root of 11872272 is about 228.1276601179.

It can be divided in two parts, 118 and 72272, that added together give a triangular number (72390 = T₃₈₀).

The spelling of 11872272 in words is "eleven million, eight hundred seventy-two thousand, two hundred seventy-two".