11280744 has 24 divisors (see below), whose sum is σ = 30552210. Its totient is φ = 3760224.

The previous prime is 11280743. The next prime is 11280751. The reversal of 11280744 is 44708211.

It can be written as a sum of positive squares in only one way, i.e., 11088900 + 191844 = 3330^2 + 438^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is not an unprimeable number, because it can be changed into a prime (11280743) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 78267 + ... + 78410.

Almost surely, 2^11280744 is an apocalyptic number.

It is an amenable number.

11280744 is an abundant number, since it is smaller than the sum of its proper divisors (19271466).

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

11280744 is a wasteful number, since it uses less digits than its factorization.

11280744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156689 (or 156682 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 27.

The square root of 11280744 is about 3358.6818843112. The cubic root of 11280744 is about 224.2741647244.

Adding to 11280744 its reverse (44708211), we get a palindrome (55988955).

The spelling of 11280744 in words is "eleven million, two hundred eighty thousand, seven hundred forty-four".