11841240 has 64 divisors (see below), whose sum is σ = 35912160. Its totient is φ = 3123200.

The previous prime is 11841239. The next prime is 11841281. The reversal of 11841240 is 4214811.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 11632 + ... + 12608.

Almost surely, 2^11841240 is an apocalyptic number.

11841240 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 11841240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17956080).

11841240 is an abundant number, since it is smaller than the sum of its proper divisors (24070920).

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

11841240 is a wasteful number, since it uses less digits than its factorization.

11841240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1092 (or 1088 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 21.

The square root of 11841240 is about 3441.1102859397. The cubic root of 11841240 is about 227.9287250280.

The spelling of 11841240 in words is "eleven million, eight hundred forty-one thousand, two hundred forty".