12883644 has 24 divisors (see below), whose sum is σ = 33402320. Its totient is φ = 4294512.

The previous prime is 12883643. The next prime is 12883709. The reversal of 12883644 is 44638821.

12883644 is a `hidden beast` number, since 1 + 2 + 8 + 8 + 3 + 644 = 666.

12883644 is digitally balanced in base 2 and base 4, because in such bases 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 junction number, because it is equal to n+sod(n) for n = 12883599 and 12883608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12883643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59539 + ... + 59754.

Almost surely, 2^12883644 is an apocalyptic number.

It is an amenable number.

12883644 is an abundant number, since it is smaller than the sum of its proper divisors (20518676).

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

12883644 is a wasteful number, since it uses less digits than its factorization.

12883644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119306 (or 119298 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 12883644 is about 3589.3793335339. The cubic root of 12883644 is about 234.4298476437.

The spelling of 12883644 in words is "twelve million, eight hundred eighty-three thousand, six hundred forty-four".