12228792 has 32 divisors (see below), whose sum is σ = 31076880. Its totient is φ = 4008960.

The previous prime is 12228781. The next prime is 12228793. The reversal of 12228792 is 29782221.

12228792 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12228793) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2713 + ... + 5640.

Almost surely, 2^12228792 is an apocalyptic number.

12228792 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

12228792 is an abundant number, since it is smaller than the sum of its proper divisors (18848088).

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

12228792 is a wasteful number, since it uses less digits than its factorization.

12228792 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8423 (or 8419 counting only the distinct ones).

The product of its digits is 8064, while the sum is 33.

The square root of 12228792 is about 3496.9689732681. The cubic root of 12228792 is about 230.3887062848.

The spelling of 12228792 in words is "twelve million, two hundred twenty-eight thousand, seven hundred ninety-two".