11272080 has 80 divisors (see below), whose sum is σ = 35515584. Its totient is φ = 2956800.

The previous prime is 11272049. The next prime is 11272091. The reversal of 11272080 is 8027211.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 15730 + ... + 16430.

Almost surely, 2^11272080 is an apocalyptic number.

11272080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11272080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17757792).

11272080 is an abundant number, since it is smaller than the sum of its proper divisors (24243504).

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

11272080 is a wasteful number, since it uses less digits than its factorization.

11272080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 784 (or 778 counting only the distinct ones).

The product of its (nonzero) digits is 224, while the sum is 21.

The square root of 11272080 is about 3357.3918448701. The cubic root of 11272080 is about 224.2167332573.

Adding to 11272080 its reverse (8027211), we get a palindrome (19299291).

The spelling of 11272080 in words is "eleven million, two hundred seventy-two thousand, eighty".