12403132 has 48 divisors (see below), whose sum is σ = 26707968. Its totient is φ = 4919040.

The previous prime is 12403123. The next prime is 12403147. The reversal of 12403132 is 23130421.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 33613 + ... + 33979.

It is an arithmetic number, because the mean of its divisors is an integer number (556416).

Almost surely, 2^12403132 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12403132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13353984).

12403132 is an abundant number, since it is smaller than the sum of its proper divisors (14304836).

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

12403132 is a wasteful number, since it uses less digits than its factorization.

12403132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 466 (or 464 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 12403132 is about 3521.8080583700. The cubic root of 12403132 is about 231.4783911587.

Adding to 12403132 its reverse (23130421), we get a palindrome (35533553).

The spelling of 12403132 in words is "twelve million, four hundred three thousand, one hundred thirty-two".