12192028 has 12 divisors (see below), whose sum is σ = 21413952. Its totient is φ = 6073760.

The previous prime is 12192017. The next prime is 12192029. The reversal of 12192028 is 82029121.

It is a junction number, because it is equal to n+sod(n) for n = 12191993 and 12192011.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12192029) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4300 + ... + 6547.

It is an arithmetic number, because the mean of its divisors is an integer number (1784496).

Almost surely, 2^12192028 is an apocalyptic number.

It is an amenable number.

12192028 is a deficient number, since it is larger than the sum of its proper divisors (9221924).

12192028 is a wasteful number, since it uses less digits than its factorization.

12192028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11132 (or 11130 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 12192028 is about 3491.7084643481. The cubic root of 12192028 is about 230.1575983515.

The spelling of 12192028 in words is "twelve million, one hundred ninety-two thousand, twenty-eight".