12002744 has 32 divisors (see below), whose sum is σ = 24449040. Its totient is φ = 5491200.

The previous prime is 12002743. The next prime is 12002759. The reversal of 12002744 is 44720021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12002743) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 13184 + ... + 14064.

Almost surely, 2^12002744 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 12002744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12224520).

12002744 is an abundant number, since it is smaller than the sum of its proper divisors (12446296).

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

12002744 is a wasteful number, since it uses less digits than its factorization.

12002744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1031 (or 1027 counting only the distinct ones).

The product of its (nonzero) digits is 448, while the sum is 20.

The square root of 12002744 is about 3464.4976547834. The cubic root of 12002744 is about 228.9602977134.

Adding to 12002744 its reverse (44720021), we get a palindrome (56722765).

The spelling of 12002744 in words is "twelve million, two thousand, seven hundred forty-four".