12927744 has 108 divisors (see below), whose sum is σ = 38688832. Its totient is φ = 4147200.

The previous prime is 12927743. The next prime is 12927757. The reversal of 12927744 is 44772921.

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

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

It is a nialpdrome in base 16.

It is a junction number, because it is equal to n+sod(n) for n = 12927699 and 12927708.

It is not an unprimeable number, because it can be changed into a prime (12927743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 71334 + ... + 71514.

Almost surely, 2^12927744 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 12927744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19344416).

12927744 is an abundant number, since it is smaller than the sum of its proper divisors (25761088).

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

12927744 is a wasteful number, since it uses less digits than its factorization.

12927744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 234 (or 217 counting only the distinct ones).

The product of its digits is 28224, while the sum is 36.

The square root of 12927744 is about 3595.5172089701. The cubic root of 12927744 is about 234.6970231620.

The spelling of 12927744 in words is "twelve million, nine hundred twenty-seven thousand, seven hundred forty-four".