12993448 has 32 divisors (see below), whose sum is σ = 26517960. Its totient is φ = 5932800.

The previous prime is 12993419. The next prime is 12993451. The reversal of 12993448 is 84439921.

It can be written as a sum of positive squares in 4 ways, for example, as 12659364 + 334084 = 3558^2 + 578^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 12993448.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9886 + ... + 11122.

Almost surely, 2^12993448 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 12993448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13258980).

12993448 is an abundant number, since it is smaller than the sum of its proper divisors (13524512).

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

12993448 is a wasteful number, since it uses less digits than its factorization.

12993448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1357 (or 1353 counting only the distinct ones).

The product of its digits is 62208, while the sum is 40.

The square root of 12993448 is about 3604.6425620302. The cubic root of 12993448 is about 235.0939597111.

The spelling of 12993448 in words is "twelve million, nine hundred ninety-three thousand, four hundred forty-eight".