12986882 has 4 divisors (see below), whose sum is σ = 19480326. Its totient is φ = 6493440.

The previous prime is 12986879. The next prime is 12986921. The reversal of 12986882 is 28868921.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 11689561 + 1297321 = 3419^2 + 1139^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3246719 + ... + 3246722.

Almost surely, 2^12986882 is an apocalyptic number.

12986882 is a deficient number, since it is larger than the sum of its proper divisors (6493444).

12986882 is an equidigital number, since it uses as much as digits as its factorization.

12986882 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6493443.

The product of its digits is 110592, while the sum is 44.

The square root of 12986882 is about 3603.7316770259. The cubic root of 12986882 is about 235.0543529024.

The spelling of 12986882 in words is "twelve million, nine hundred eighty-six thousand, eight hundred eighty-two".