12447032 has 32 divisors (see below), whose sum is σ = 26006400. Its totient is φ = 5545344.

The previous prime is 12447031. The next prime is 12447041. The reversal of 12447032 is 23074421.

It is a junction number, because it is equal to n+sod(n) for n = 12446989 and 12447007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12447031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 953 + ... + 5079.

It is an arithmetic number, because the mean of its divisors is an integer number (812700).

Almost surely, 2^12447032 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 12447032, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13003200).

12447032 is an abundant number, since it is smaller than the sum of its proper divisors (13559368).

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

12447032 is a wasteful number, since it uses less digits than its factorization.

12447032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4175 (or 4171 counting only the distinct ones).

The product of its (nonzero) digits is 1344, while the sum is 23.

The square root of 12447032 is about 3528.0351472172. The cubic root of 12447032 is about 231.7511699961.

The spelling of 12447032 in words is "twelve million, four hundred forty-seven thousand, thirty-two".