11820946 has 8 divisors (see below), whose sum is σ = 18022284. Its totient is φ = 5813520.

The previous prime is 11820901. The next prime is 11820947. The reversal of 11820946 is 64902811.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 10169721 + 1651225 = 3189^2 + 1285^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (11820947) 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, 48325 + ... + 48568.

Almost surely, 2^11820946 is an apocalyptic number.

11820946 is a deficient number, since it is larger than the sum of its proper divisors (6201338).

11820946 is an equidigital number, since it uses as much as digits as its factorization.

11820946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 96956.

The product of its (nonzero) digits is 3456, while the sum is 31.

The square root of 11820946 is about 3438.1602638621. The cubic root of 11820946 is about 227.7984393887.

The spelling of 11820946 in words is "eleven million, eight hundred twenty thousand, nine hundred forty-six".