12229028 has 36 divisors (see below), whose sum is σ = 25491312. Its totient is φ = 5115600.

The previous prime is 12229013. The next prime is 12229043. The reversal of 12229028 is 82092221.

12229028 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (12229013) and next prime (12229043).

It is a junction number, because it is equal to n+sod(n) for n = 12228988 and 12229006.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7703 + ... + 9153.

It is an arithmetic number, because the mean of its divisors is an integer number (708092).

Almost surely, 2^12229028 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12229028, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12745656).

12229028 is an abundant number, since it is smaller than the sum of its proper divisors (13262284).

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

12229028 is a wasteful number, since it uses less digits than its factorization.

12229028 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1512 (or 1503 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 26.

The square root of 12229028 is about 3497.0027166132. The cubic root of 12229028 is about 230.3901883441.

The spelling of 12229028 in words is "twelve million, two hundred twenty-nine thousand, twenty-eight".