12986884 has 6 divisors (see below), whose sum is σ = 22727054. Its totient is φ = 6493440.

The previous prime is 12986879. The next prime is 12986921. The reversal of 12986884 is 48868921.

It can be written as a sum of positive squares in only one way, i.e., 9746884 + 3240000 = 3122^2 + 1800^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1623357 + ... + 1623364.

Almost surely, 2^12986884 is an apocalyptic number.

It is an amenable number.

12986884 is a deficient number, since it is larger than the sum of its proper divisors (9740170).

12986884 is a wasteful number, since it uses less digits than its factorization.

12986884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3246725 (or 3246723 counting only the distinct ones).

The product of its digits is 221184, while the sum is 46.

The square root of 12986884 is about 3603.7319545160. The cubic root of 12986884 is about 235.0543649686.

The spelling of 12986884 in words is "twelve million, nine hundred eighty-six thousand, eight hundred eighty-four".