12050821 has 8 divisors (see below), whose sum is σ = 12333024. Its totient is φ = 11771760.

The previous prime is 12050803. The next prime is 12050833. The reversal of 12050821 is 12805021.

12050821 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 12050821 - 2⁹ = 12050309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12050881) 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 7 ways as a sum of consecutive naturals, for example, 8091 + ... + 9463.

It is an arithmetic number, because the mean of its divisors is an integer number (1541628).

Almost surely, 2^12050821 is an apocalyptic number.

It is an amenable number.

12050821 is a deficient number, since it is larger than the sum of its proper divisors (282203).

12050821 is a wasteful number, since it uses less digits than its factorization.

12050821 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1571.

The product of its (nonzero) digits is 160, while the sum is 19.

The square root of 12050821 is about 3471.4292445620. The cubic root of 12050821 is about 229.2655906726.

Adding to 12050821 its reverse (12805021), we get a palindrome (24855842).

The spelling of 12050821 in words is "twelve million, fifty thousand, eight hundred twenty-one".