11820054 has 16 divisors (see below), whose sum is σ = 24217200. Its totient is φ = 3843840.

The previous prime is 11820047. The next prime is 11820079. The reversal of 11820054 is 45002811.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 11820054.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23779 + ... + 24270.

It is an arithmetic number, because the mean of its divisors is an integer number (1513575).

Almost surely, 2^11820054 is an apocalyptic number.

11820054 is an abundant number, since it is smaller than the sum of its proper divisors (12397146).

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

11820054 is a wasteful number, since it uses less digits than its factorization.

11820054 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48095.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 11820054 is about 3438.0305408766. The cubic root of 11820054 is about 227.7927094096.

Adding to 11820054 its reverse (45002811), we get a palindrome (56822865).

The spelling of 11820054 in words is "eleven million, eight hundred twenty thousand, fifty-four".