11473820 has 12 divisors (see below), whose sum is σ = 24095064. Its totient is φ = 4589520.

The previous prime is 11473807. The next prime is 11473823. The reversal of 11473820 is 2837411.

It is a self number, because there is not a number n which added to its sum of digits gives 11473820.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11473823) 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 3 ways as a sum of consecutive naturals, for example, 286826 + ... + 286865.

It is an arithmetic number, because the mean of its divisors is an integer number (2007922).

Almost surely, 2^11473820 is an apocalyptic number.

11473820 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11473820 is an abundant number, since it is smaller than the sum of its proper divisors (12621244).

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

11473820 is a wasteful number, since it uses less digits than its factorization.

11473820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 573700 (or 573698 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 11473820 is about 3387.3027617855. The cubic root of 11473820 is about 225.5464577512.

The spelling of 11473820 in words is "eleven million, four hundred seventy-three thousand, eight hundred twenty".