12225632 has 24 divisors (see below), whose sum is σ = 24412752. Its totient is φ = 6025600.

The previous prime is 12225613. The next prime is 12225641. The reversal of 12225632 is 23652221.

It is a junction number, because it is equal to n+sod(n) for n = 12225598 and 12225607.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419 + ... + 4962.

It is an arithmetic number, because the mean of its divisors is an integer number (1017198).

Almost surely, 2^12225632 is an apocalyptic number.

It is an amenable number.

12225632 is a deficient number, since it is larger than the sum of its proper divisors (12187120).

12225632 is an equidigital number, since it uses as much as digits as its factorization.

12225632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5462 (or 5454 counting only the distinct ones).

The product of its digits is 1440, while the sum is 23.

The square root of 12225632 is about 3496.5171242252. The cubic root of 12225632 is about 230.3688599246.

Adding to 12225632 its reverse (23652221), we get a palindrome (35877853).

The spelling of 12225632 in words is "twelve million, two hundred twenty-five thousand, six hundred thirty-two".