12231828 has 36 divisors (see below), whose sum is σ = 35337120. Its totient is φ = 3494736.

The previous prime is 12231827. The next prime is 12231833. The reversal of 12231828 is 82813221.

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12231827) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24018 + ... + 24521.

Almost surely, 2^12231828 is an apocalyptic number.

12231828 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12231828 is an abundant number, since it is smaller than the sum of its proper divisors (23105292).

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

12231828 is a wasteful number, since it uses less digits than its factorization.

12231828 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48556 (or 48551 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 12231828 is about 3497.4030365401. The cubic root of 12231828 is about 230.4077706436.

The spelling of 12231828 in words is "twelve million, two hundred thirty-one thousand, eight hundred twenty-eight".