12012582 has 16 divisors (see below), whose sum is σ = 24330240. Its totient is φ = 3953352.

The previous prime is 12012551. The next prime is 12012599. The reversal of 12012582 is 28521021.

It is a happy number.

12012582 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 congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12198 + ... + 13145.

It is an arithmetic number, because the mean of its divisors is an integer number (1520640).

Almost surely, 2^12012582 is an apocalyptic number.

12012582 is an abundant number, since it is smaller than the sum of its proper divisors (12317658).

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

12012582 is a wasteful number, since it uses less digits than its factorization.

12012582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25427.

The product of its (nonzero) digits is 320, while the sum is 21.

The square root of 12012582 is about 3465.9171946254. The cubic root of 12012582 is about 229.0228360871.

The spelling of 12012582 in words is "twelve million, twelve thousand, five hundred eighty-two".