12792728 has 16 divisors (see below), whose sum is σ = 25831680. Its totient is φ = 5904288.

The previous prime is 12792727. The next prime is 12792743. The reversal of 12792728 is 82729721.

It is a zygodrome in base 2.

It is a junction number, because it is equal to n+sod(n) for n = 12792691 and 12792700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12792727) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 61400 + ... + 61607.

It is an arithmetic number, because the mean of its divisors is an integer number (1614480).

Almost surely, 2^12792728 is an apocalyptic number.

It is an amenable number.

12792728 is an abundant number, since it is smaller than the sum of its proper divisors (13038952).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12792728 is a wasteful number, since it uses less digits than its factorization.

12792728 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 123026 (or 123022 counting only the distinct ones).

The product of its digits is 28224, while the sum is 38.

The square root of 12792728 is about 3576.6923267175. The cubic root of 12792728 is about 233.8771117965.

The spelling of 12792728 in words is "twelve million, seven hundred ninety-two thousand, seven hundred twenty-eight".