11940280 has 48 divisors (see below), whose sum is σ = 29541960. Its totient is φ = 4340160.

The previous prime is 11940277. The next prime is 11940281. The reversal of 11940280 is 8204911.

It is a happy number.

11940280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11940281) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3607 + ... + 6073.

Almost surely, 2^11940280 is an apocalyptic number.

11940280 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 11940280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14770980).

11940280 is an abundant number, since it is smaller than the sum of its proper divisors (17601680).

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

11940280 is a wasteful number, since it uses less digits than its factorization.

11940280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2500 (or 2485 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 11940280 is about 3455.4710243323. The cubic root of 11940280 is about 228.5624259847.

The spelling of 11940280 in words is "eleven million, nine hundred forty thousand, two hundred eighty".