12341532 has 72 divisors (see below), whose sum is σ = 33962880. Its totient is φ = 3477600.

The previous prime is 12341509. The next prime is 12341543. The reversal of 12341532 is 23514321.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 12341499 and 12341508.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 81657 + ... + 81807.

Almost surely, 2^12341532 is an apocalyptic number.

12341532 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 12341532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16981440).

12341532 is an abundant number, since it is smaller than the sum of its proper divisors (21621348).

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

12341532 is a wasteful number, since it uses less digits than its factorization.

12341532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 311 (or 302 counting only the distinct ones).

The product of its digits is 720, while the sum is 21.

The square root of 12341532 is about 3513.0516648635. The cubic root of 12341532 is about 231.0945434855.

Adding to 12341532 its reverse (23514321), we get a palindrome (35855853).

The spelling of 12341532 in words is "twelve million, three hundred forty-one thousand, five hundred thirty-two".