12744396 has 72 divisors (see below), whose sum is σ = 37250304. Its totient is φ = 3598560.

The previous prime is 12744377. The next prime is 12744397. The reversal of 12744396 is 69344721.

12744396 is a `hidden beast` number, since 127 + 443 + 96 = 666.

12744396 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

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

It is a self number, because there is not a number n which added to its sum of digits gives 12744396.

It is not an unprimeable number, because it can be changed into a prime (12744397) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 25711 + ... + 26201.

Almost surely, 2^12744396 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 12744396, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18625152).

12744396 is an abundant number, since it is smaller than the sum of its proper divisors (24505908).

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

12744396 is a wasteful number, since it uses less digits than its factorization.

12744396 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 611 (or 606 counting only the distinct ones).

The product of its digits is 36288, while the sum is 36.

The square root of 12744396 is about 3569.9294110668. The cubic root of 12744396 is about 233.5822043036.

The spelling of 12744396 in words is "twelve million, seven hundred forty-four thousand, three hundred ninety-six".