13082644 has 12 divisors (see below), whose sum is σ = 23152500. Its totient is φ = 6467648.

The previous prime is 13082623. The next prime is 13082669. The reversal of 13082644 is 44628031.

It can be written as a sum of positive squares in 2 ways, for example, as 1993744 + 11088900 = 1412^2 + 3330^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18019 + ... + 18730.

It is an arithmetic number, because the mean of its divisors is an integer number (1929375).

Almost surely, 2^13082644 is an apocalyptic number.

It is an amenable number.

13082644 is a deficient number, since it is larger than the sum of its proper divisors (10069856).

13082644 is a wasteful number, since it uses less digits than its factorization.

13082644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36842 (or 36840 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 13082644 is about 3616.9937793698. The cubic root of 13082644 is about 235.6306825292.

The spelling of 13082644 in words is "thirteen million, eighty-two thousand, six hundred forty-four".