12645582 has 16 divisors (see below), whose sum is σ = 26107392. Its totient is φ = 4079160.

The previous prime is 12645547. The next prime is 12645623. The reversal of 12645582 is 28554621.

12645582 is digitally balanced in base 2, because in such base 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, 33808 + ... + 34179.

It is an arithmetic number, because the mean of its divisors is an integer number (1631712).

Almost surely, 2^12645582 is an apocalyptic number.

12645582 is an abundant number, since it is smaller than the sum of its proper divisors (13461810).

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

12645582 is a wasteful number, since it uses less digits than its factorization.

12645582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68023.

The product of its digits is 19200, while the sum is 33.

The square root of 12645582 is about 3556.0627103582. The cubic root of 12645582 is about 232.9769420962.

The spelling of 12645582 in words is "twelve million, six hundred forty-five thousand, five hundred eighty-two".