11820650 has 24 divisors (see below), whose sum is σ = 22364640. Its totient is φ = 4646960.

The previous prime is 11820647. The next prime is 11820659. The reversal of 11820650 is 5602811.

It is not an unprimeable number, because it can be changed into a prime (11820659) 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 11 ways as a sum of consecutive naturals, for example, 947 + ... + 4953.

It is an arithmetic number, because the mean of its divisors is an integer number (931860).

Almost surely, 2^11820650 is an apocalyptic number.

11820650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11820650 is a deficient number, since it is larger than the sum of its proper divisors (10543990).

11820650 is a wasteful number, since it uses less digits than its factorization.

11820650 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4078 (or 4073 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 11820650 is about 3438.1172173153. The cubic root of 11820650 is about 227.7965379926.

The spelling of 11820650 in words is "eleven million, eight hundred twenty thousand, six hundred fifty".