12229632 has 66 divisors (see below), whose sum is σ = 35339408. Its totient is φ = 4073472.

The previous prime is 12229631. The next prime is 12229667. The reversal of 12229632 is 23692221.

12229632 is a `hidden beast` number, since 1 + 2 + 2 + 29 + 632 = 666.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 12229596 and 12229605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12229631) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 8553 + ... + 9879.

Almost surely, 2^12229632 is an apocalyptic number.

12229632 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 12229632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17669704).

12229632 is an abundant number, since it is smaller than the sum of its proper divisors (23109776).

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

12229632 is a wasteful number, since it uses less digits than its factorization.

12229632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1353 (or 1332 counting only the distinct ones).

The product of its digits is 2592, while the sum is 27.

The square root of 12229632 is about 3497.0890752167. The cubic root of 12229632 is about 230.3939813243.

The spelling of 12229632 in words is "twelve million, two hundred twenty-nine thousand, six hundred thirty-two".