12233988 has 36 divisors (see below), whose sum is σ = 33304908. Its totient is φ = 3764160.

The previous prime is 12233987. The next prime is 12233989. The reversal of 12233988 is 88933221.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12233987) and next prime (12233989).

It can be written as a sum of positive squares in 2 ways, for example, as 5008644 + 7225344 = 2238^2 + 2688^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (12233987) 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, 12603 + ... + 13538.

Almost surely, 2^12233988 is an apocalyptic number.

12233988 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

12233988 is an abundant number, since it is smaller than the sum of its proper divisors (21070920).

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

12233988 is a wasteful number, since it uses less digits than its factorization.

12233988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26164 (or 26159 counting only the distinct ones).

The product of its digits is 20736, while the sum is 36.

The square root of 12233988 is about 3497.7118234640. The cubic root of 12233988 is about 230.4213322985.

The spelling of 12233988 in words is "twelve million, two hundred thirty-three thousand, nine hundred eighty-eight".