12183552 has 72 divisors (see below), whose sum is σ = 35241570. Its totient is φ = 4055040.

The previous prime is 12183551. The next prime is 12183553. The reversal of 12183552 is 25538121.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12183551) and next prime (12183553).

It can be written as a sum of positive squares in only one way, i.e., 8856576 + 3326976 = 2976^2 + 1824^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is not an unprimeable number, because it can be changed into a prime (12183551) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 18102 + ... + 18762.

Almost surely, 2^12183552 is an apocalyptic number.

12183552 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12183552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17620785).

12183552 is an abundant number, since it is smaller than the sum of its proper divisors (23058018).

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

12183552 is an equidigital number, since it uses as much as digits as its factorization.

12183552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 689 (or 666 counting only the distinct ones).

The product of its digits is 2400, while the sum is 27.

The square root of 12183552 is about 3490.4945208380. The cubic root of 12183552 is about 230.1042501568.

The spelling of 12183552 in words is "twelve million, one hundred eighty-three thousand, five hundred fifty-two".