11821064 has 32 divisors (see below), whose sum is σ = 22896000. Its totient is φ = 5718720.

The previous prime is 11821031. The next prime is 11821081. The reversal of 11821064 is 46012811.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 55919 + ... + 56129.

It is an arithmetic number, because the mean of its divisors is an integer number (715500).

Almost surely, 2^11821064 is an apocalyptic number.

It is an amenable number.

11821064 is a deficient number, since it is larger than the sum of its proper divisors (11074936).

11821064 is a wasteful number, since it uses less digits than its factorization.

11821064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 413 (or 409 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 23.

The square root of 11821064 is about 3438.1774241595. The cubic root of 11821064 is about 227.7991973688.

Adding to 11821064 its reverse (46012811), we get a palindrome (57833875).

The spelling of 11821064 in words is "eleven million, eight hundred twenty-one thousand, sixty-four".