12449668 has 48 divisors (see below), whose sum is σ = 27546624. Its totient is φ = 4782240.

The previous prime is 12449663. The next prime is 12449677. The reversal of 12449668 is 86694421.

It is a self number, because there is not a number n which added to its sum of digits gives 12449668.

It is not an unprimeable number, because it can be changed into a prime (12449663) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25321 + ... + 25807.

It is an arithmetic number, because the mean of its divisors is an integer number (573888).

Almost surely, 2^12449668 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 12449668, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13773312).

12449668 is an abundant number, since it is smaller than the sum of its proper divisors (15096956).

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

12449668 is a wasteful number, since it uses less digits than its factorization.

12449668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592 (or 590 counting only the distinct ones).

The product of its digits is 82944, while the sum is 40.

The square root of 12449668 is about 3528.4087064851. The cubic root of 12449668 is about 231.7675287276.

The spelling of 12449668 in words is "twelve million, four hundred forty-nine thousand, six hundred sixty-eight".