12050728 has 8 divisors (see below), whose sum is σ = 22595130. Its totient is φ = 6025360.

The previous prime is 12050699. The next prime is 12050729. The reversal of 12050728 is 82705021.

12050728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 10355524 + 1695204 = 3218^2 + 1302^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (12050729) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 753163 + ... + 753178.

Almost surely, 2^12050728 is an apocalyptic number.

It is an amenable number.

12050728 is a deficient number, since it is larger than the sum of its proper divisors (10544402).

12050728 is a wasteful number, since it uses less digits than its factorization.

12050728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1506347 (or 1506343 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 25.

The square root of 12050728 is about 3471.4158494770. The cubic root of 12050728 is about 229.2650008993.

Adding to 12050728 its reverse (82705021), we get a palindrome (94755749).

The spelling of 12050728 in words is "twelve million, fifty thousand, seven hundred twenty-eight".