12440604 has 48 divisors (see below), whose sum is σ = 32094720. Its totient is φ = 3719040.

The previous prime is 12440591. The next prime is 12440629. The reversal of 12440604 is 40604421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9832 + ... + 11024.

It is an arithmetic number, because the mean of its divisors is an integer number (668640).

Almost surely, 2^12440604 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 12440604, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16047360).

12440604 is an abundant number, since it is smaller than the sum of its proper divisors (19654116).

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

12440604 is a wasteful number, since it uses less digits than its factorization.

12440604 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1290 (or 1288 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 12440604 is about 3527.1240409149. The cubic root of 12440604 is about 231.7112688364.

The spelling of 12440604 in words is "twelve million, four hundred forty thousand, six hundred four".