12786884 has 12 divisors (see below), whose sum is σ = 24411408. Its totient is φ = 5812200.

The previous prime is 12786871. The next prime is 12786889. The reversal of 12786884 is 48868721.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 290611 = 12786884 / (1 + 2 + 7 + 8 + 6 + 8 + 8 + 4).

It is not an unprimeable number, because it can be changed into a prime (12786889) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 145262 + ... + 145349.

It is an arithmetic number, because the mean of its divisors is an integer number (2034284).

Almost surely, 2^12786884 is an apocalyptic number.

It is an amenable number.

12786884 is a deficient number, since it is larger than the sum of its proper divisors (11624524).

12786884 is a wasteful number, since it uses less digits than its factorization.

12786884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290626 (or 290624 counting only the distinct ones).

The product of its digits is 172032, while the sum is 44.

The square root of 12786884 is about 3575.8752774670. The cubic root of 12786884 is about 233.8414929664.

The spelling of 12786884 in words is "twelve million, seven hundred eighty-six thousand, eight hundred eighty-four".