12027582 has 64 divisors (see below), whose sum is σ = 31242240. Its totient is φ = 3358368.

The previous prime is 12027571. The next prime is 12027583. The reversal of 12027582 is 28572021.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12027583) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17428 + ... + 18104.

It is an arithmetic number, because the mean of its divisors is an integer number (488160).

Almost surely, 2^12027582 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12027582, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15621120).

12027582 is an abundant number, since it is smaller than the sum of its proper divisors (19214658).

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

12027582 is a wasteful number, since it uses less digits than its factorization.

12027582 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742 (or 736 counting only the distinct ones).

The product of its (nonzero) digits is 2240, while the sum is 27.

The square root of 12027582 is about 3468.0804488939. The cubic root of 12027582 is about 229.1181226691.

The spelling of 12027582 in words is "twelve million, twenty-seven thousand, five hundred eighty-two".