12331152 has 60 divisors (see below), whose sum is σ = 36334480. Its totient is φ = 3893184.

The previous prime is 12331147. The next prime is 12331157. The reversal of 12331152 is 25113321.

It is an interprime number because it is at equal distance from previous prime (12331147) and next prime (12331157).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (12331157) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 483 + ... + 4989.

Almost surely, 2^12331152 is an apocalyptic number.

12331152 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 12331152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18167240).

12331152 is an abundant number, since it is smaller than the sum of its proper divisors (24003328).

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

12331152 is a wasteful number, since it uses less digits than its factorization.

12331152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4540 (or 4531 counting only the distinct ones).

The product of its digits is 180, while the sum is 18.

The square root of 12331152 is about 3511.5740060548. The cubic root of 12331152 is about 231.0297369937.

Adding to 12331152 its reverse (25113321), we get a palindrome (37444473).

The spelling of 12331152 in words is "twelve million, three hundred thirty-one thousand, one hundred fifty-two".