12882644 has 6 divisors (see below), whose sum is σ = 22544634. Its totient is φ = 6441320.

The previous prime is 12882643. The next prime is 12882677. The reversal of 12882644 is 44628821.

It can be written as a sum of positive squares in only one way, i.e., 10956100 + 1926544 = 3310^2 + 1388^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12882643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1610327 + ... + 1610334.

It is an arithmetic number, because the mean of its divisors is an integer number (3757439).

Almost surely, 2^12882644 is an apocalyptic number.

It is an amenable number.

12882644 is a deficient number, since it is larger than the sum of its proper divisors (9661990).

12882644 is a wasteful number, since it uses less digits than its factorization.

12882644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3220665 (or 3220663 counting only the distinct ones).

The product of its digits is 24576, while the sum is 35.

The square root of 12882644 is about 3589.2400309815. The cubic root of 12882644 is about 234.4237821778.

The spelling of 12882644 in words is "twelve million, eight hundred eighty-two thousand, six hundred forty-four".