12728588 has 6 divisors (see below), whose sum is σ = 22275036. Its totient is φ = 6364292.

The previous prime is 12728581. The next prime is 12728609. The reversal of 12728588 is 88582721.

It is not an unprimeable number, because it can be changed into a prime (12728581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1591070 + ... + 1591077.

It is an arithmetic number, because the mean of its divisors is an integer number (3712506).

Almost surely, 2^12728588 is an apocalyptic number.

It is an amenable number.

12728588 is a deficient number, since it is larger than the sum of its proper divisors (9546448).

12728588 is a wasteful number, since it uses less digits than its factorization.

12728588 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3182151 (or 3182149 counting only the distinct ones).

The product of its digits is 71680, while the sum is 41.

The square root of 12728588 is about 3567.7146746902. The cubic root of 12728588 is about 233.4855867985.

The spelling of 12728588 in words is "twelve million, seven hundred twenty-eight thousand, five hundred eighty-eight".