12422664 has 48 divisors (see below), whose sum is σ = 34369920. Its totient is φ = 4051680.

The previous prime is 12422659. The next prime is 12422687. The reversal of 12422664 is 46622421.

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1549 + ... + 5219.

It is an arithmetic number, because the mean of its divisors is an integer number (716040).

Almost surely, 2^12422664 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 12422664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17184960).

12422664 is an abundant number, since it is smaller than the sum of its proper divisors (21947256).

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

12422664 is a wasteful number, since it uses less digits than its factorization.

12422664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3730 (or 3723 counting only the distinct ones).

The product of its digits is 4608, while the sum is 27.

The square root of 12422664 is about 3524.5799749757. The cubic root of 12422664 is about 231.5998353422.

The spelling of 12422664 in words is "twelve million, four hundred twenty-two thousand, six hundred sixty-four".