12333428 has 12 divisors (see below), whose sum is σ = 22522080. Its totient is φ = 5898552.

The previous prime is 12333379. The next prime is 12333437. The reversal of 12333428 is 82433321.

12333428 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×12333428² = 304226892462368, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12333397 and 12333406.

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, 66938 + ... + 67121.

It is an arithmetic number, because the mean of its divisors is an integer number (1876840).

Almost surely, 2^12333428 is an apocalyptic number.

It is an amenable number.

12333428 is a deficient number, since it is larger than the sum of its proper divisors (10188652).

12333428 is a wasteful number, since it uses less digits than its factorization.

12333428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 134086 (or 134084 counting only the distinct ones).

The product of its digits is 3456, while the sum is 26.

The square root of 12333428 is about 3511.8980623019. The cubic root of 12333428 is about 231.0439500841.

Adding to 12333428 its reverse (82433321), we get a palindrome (94766749).

The spelling of 12333428 in words is "twelve million, three hundred thirty-three thousand, four hundred twenty-eight".