12581882 has 16 divisors (see below), whose sum is σ = 19896840. Its totient is φ = 5957952.

The previous prime is 12581879. The next prime is 12581903. The reversal of 12581882 is 28818521.

It can be written as a sum of positive squares in 4 ways, for example, as 11417641 + 1164241 = 3379^2 + 1079^2 .

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, 1028 + ... + 5120.

Almost surely, 2^12581882 is an apocalyptic number.

12581882 is a deficient number, since it is larger than the sum of its proper divisors (7314958).

12581882 is a wasteful number, since it uses less digits than its factorization.

12581882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4177.

The product of its digits is 10240, while the sum is 35.

The square root of 12581882 is about 3547.0948676346. The cubic root of 12581882 is about 232.5850892934.

The spelling of 12581882 in words is "twelve million, five hundred eighty-one thousand, eight hundred eighty-two".