11802240 has 128 divisors (see below), whose sum is σ = 41860800. Its totient is φ = 3142656.

The previous prime is 11802229. The next prime is 11802247. The reversal of 11802240 is 4220811.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (11802247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16939 + ... + 17621.

Almost surely, 2^11802240 is an apocalyptic number.

11802240 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 11802240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20930400).

11802240 is an abundant number, since it is smaller than the sum of its proper divisors (30058560).

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

11802240 is an equidigital number, since it uses as much as digits as its factorization.

11802240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711 (or 693 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 11802240 is about 3435.4388365972. The cubic root of 11802240 is about 227.6782164305.

The spelling of 11802240 in words is "eleven million, eight hundred two thousand, two hundred forty".