12332638 has 8 divisors (see below), whose sum is σ = 18722088. Its totient is φ = 6091944.

The previous prime is 12332609. The next prime is 12332647. The reversal of 12332638 is 83623321.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 36981 + ... + 37312.

It is an arithmetic number, because the mean of its divisors is an integer number (2340261).

Almost surely, 2^12332638 is an apocalyptic number.

12332638 is a deficient number, since it is larger than the sum of its proper divisors (6389450).

12332638 is an equidigital number, since it uses as much as digits as its factorization.

12332638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 74378.

The product of its digits is 5184, while the sum is 28.

The square root of 12332638 is about 3511.7855857099. The cubic root of 12332638 is about 231.0390169161.

Adding to 12332638 its reverse (83623321), we get a palindrome (95955959).

It can be divided in two parts, 123 and 32638, that added together give a square (32761 = 181²).

The spelling of 12332638 in words is "twelve million, three hundred thirty-two thousand, six hundred thirty-eight".