11925280 has 48 divisors (see below), whose sum is σ = 28587384. Its totient is φ = 4700160.

The previous prime is 11925271. The next prime is 11925283. The reversal of 11925280 is 8252911.

It can be written as a sum of positive squares in 4 ways, for example, as 10214416 + 1710864 = 3196^2 + 1308^2 .

It is not an unprimeable number, because it can be changed into a prime (11925283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11170 + ... + 12190.

Almost surely, 2^11925280 is an apocalyptic number.

11925280 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 11925280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14293692).

11925280 is an abundant number, since it is smaller than the sum of its proper divisors (16662104).

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

11925280 is a wasteful number, since it uses less digits than its factorization.

11925280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109 (or 1101 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 11925280 is about 3453.2998711377. The cubic root of 11925280 is about 228.4666752136.

The spelling of 11925280 in words is "eleven million, nine hundred twenty-five thousand, two hundred eighty".