12634432 has 28 divisors (see below), whose sum is σ = 25660096. Its totient is φ = 6168960.

The previous prime is 12634423. The next prime is 12634439. The reversal of 12634432 is 23443621.

It is a junction number, because it is equal to n+sod(n) for n = 12634397 and 12634406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12634439) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 457 + ... + 5047.

It is an arithmetic number, because the mean of its divisors is an integer number (916432).

Almost surely, 2^12634432 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 12634432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12830048).

12634432 is an abundant number, since it is smaller than the sum of its proper divisors (13025664).

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

12634432 is an equidigital number, since it uses as much as digits as its factorization.

12634432 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4646 (or 4636 counting only the distinct ones).

The product of its digits is 3456, while the sum is 25.

The square root of 12634432 is about 3554.4946194923. The cubic root of 12634432 is about 232.9084476405.

The spelling of 12634432 in words is "twelve million, six hundred thirty-four thousand, four hundred thirty-two".