11820344 has 32 divisors (see below), whose sum is σ = 23310720. Its totient is φ = 5608416.

The previous prime is 11820329. The next prime is 11820349. The reversal of 11820344 is 44302811.

11820344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (23).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11820349) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41627 + ... + 41909.

It is an arithmetic number, because the mean of its divisors is an integer number (728460).

Almost surely, 2^11820344 is an apocalyptic number.

It is an amenable number.

11820344 is a deficient number, since it is larger than the sum of its proper divisors (11490376).

11820344 is a wasteful number, since it uses less digits than its factorization.

11820344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 535 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 23.

The square root of 11820344 is about 3438.0727159268. The cubic root of 11820344 is about 227.7945723268.

The spelling of 11820344 in words is "eleven million, eight hundred twenty thousand, three hundred forty-four".