12192728 has 16 divisors (see below), whose sum is σ = 23084880. Its totient is φ = 6036768.

The previous prime is 12192683. The next prime is 12192743. The reversal of 12192728 is 82729121.

It is a happy number.

12192728 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 12192694 and 12192703.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6575 + ... + 8222.

It is an arithmetic number, because the mean of its divisors is an integer number (1442805).

Almost surely, 2^12192728 is an apocalyptic number.

It is an amenable number.

12192728 is a deficient number, since it is larger than the sum of its proper divisors (10892152).

12192728 is a wasteful number, since it uses less digits than its factorization.

12192728 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14906 (or 14902 counting only the distinct ones).

The product of its digits is 4032, while the sum is 32.

The square root of 12192728 is about 3491.8087003729. The cubic root of 12192728 is about 230.1620030668.

The spelling of 12192728 in words is "twelve million, one hundred ninety-two thousand, seven hundred twenty-eight".