12900582 has 48 divisors (see below), whose sum is σ = 29914560. Its totient is φ = 4005936.

The previous prime is 12900581. The next prime is 12900593. The reversal of 12900582 is 28500921.

12900582 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 not an unprimeable number, because it can be changed into a prime (12900581) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 22633 + ... + 23195.

It is an arithmetic number, because the mean of its divisors is an integer number (623220).

Almost surely, 2^12900582 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12900582, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14957280).

12900582 is an abundant number, since it is smaller than the sum of its proper divisors (17013978).

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

12900582 is a wasteful number, since it uses less digits than its factorization.

12900582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657 (or 654 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 27.

The square root of 12900582 is about 3591.7380193995. The cubic root of 12900582 is about 234.5325368601.

The spelling of 12900582 in words is "twelve million, nine hundred thousand, five hundred eighty-two".