11844020 has 24 divisors (see below), whose sum is σ = 25073664. Its totient is φ = 4699296.

The previous prime is 11843999. The next prime is 11844029. The reversal of 11844020 is 2044811.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11843983 and 11844001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11844029) 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, 209 + ... + 4871.

It is an arithmetic number, because the mean of its divisors is an integer number (1044736).

Almost surely, 2^11844020 is an apocalyptic number.

11844020 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11844020 is an abundant number, since it is smaller than the sum of its proper divisors (13229644).

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

11844020 is a wasteful number, since it uses less digits than its factorization.

11844020 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4799 (or 4797 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 20.

The square root of 11844020 is about 3441.5142016270. The cubic root of 11844020 is about 227.9465607804.

Adding to 11844020 its reverse (2044811), we get a palindrome (13888831).

The spelling of 11844020 in words is "eleven million, eight hundred forty-four thousand, twenty".