11274280 has 16 divisors (see below), whose sum is σ = 25367220. Its totient is φ = 4509696.

The previous prime is 11274259. The next prime is 11274283. The reversal of 11274280 is 8247211.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 11249316 + 24964 = 3354^2 + 158^2 .

It is not an unprimeable number, because it can be changed into a prime (11274283) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 140889 + ... + 140968.

Almost surely, 2^11274280 is an apocalyptic number.

11274280 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11274280 is an abundant number, since it is smaller than the sum of its proper divisors (14092940).

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

11274280 is a wasteful number, since it uses less digits than its factorization.

11274280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281868 (or 281864 counting only the distinct ones).

The product of its (nonzero) digits is 896, while the sum is 25.

The square root of 11274280 is about 3357.7194641602. The cubic root of 11274280 is about 224.2313192883.

The spelling of 11274280 in words is "eleven million, two hundred seventy-four thousand, two hundred eighty".