12585944 has 48 divisors (see below), whose sum is σ = 27818280. Its totient is φ = 5322240.

The previous prime is 12585941. The next prime is 12585949. The reversal of 12585944 is 44958521.

It is a super-2 number, since 2×12585944² = 316811972742272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12585898 and 12585907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12585941) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 37859 + ... + 38189.

Almost surely, 2^12585944 is an apocalyptic number.

12585944 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12585944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13909140).

12585944 is an abundant number, since it is smaller than the sum of its proper divisors (15232336).

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

12585944 is a wasteful number, since it uses less digits than its factorization.

12585944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 448 (or 437 counting only the distinct ones).

The product of its digits is 57600, while the sum is 38.

The square root of 12585944 is about 3547.6674026746. The cubic root of 12585944 is about 232.6101162589.

The spelling of 12585944 in words is "twelve million, five hundred eighty-five thousand, nine hundred forty-four".