12632224 has 48 divisors (see below), whose sum is σ = 28740096. Its totient is φ = 5401600.

The previous prime is 12632219. The next prime is 12632251. The reversal of 12632224 is 42223621.

It is a Harshad number since it is a multiple of its sum of digits (22).

It is a junction number, because it is equal to n+sod(n) for n = 12632195 and 12632204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4929 + ... + 7039.

It is an arithmetic number, because the mean of its divisors is an integer number (598752).

Almost surely, 2^12632224 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 12632224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14370048).

12632224 is an abundant number, since it is smaller than the sum of its proper divisors (16107872).

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

12632224 is a wasteful number, since it uses less digits than its factorization.

12632224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2149 (or 2141 counting only the distinct ones).

The product of its digits is 1152, while the sum is 22.

The square root of 12632224 is about 3554.1840132441. The cubic root of 12632224 is about 232.8948791157.

Adding to 12632224 its reverse (42223621), we get a palindrome (54855845).

It can be divided in two parts, 12 and 632224, that added together give a palindrome (632236).

The spelling of 12632224 in words is "twelve million, six hundred thirty-two thousand, two hundred twenty-four".