12986874 has 24 divisors (see below), whose sum is σ = 28211040. Its totient is φ = 4317768.

The previous prime is 12986863. The next prime is 12986879. The reversal of 12986874 is 47868921.

It is not an unprimeable number, because it can be changed into a prime (12986879) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9187 + ... + 10505.

It is an arithmetic number, because the mean of its divisors is an integer number (1175460).

Almost surely, 2^12986874 is an apocalyptic number.

12986874 is an abundant number, since it is smaller than the sum of its proper divisors (15224166).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12986874 is a wasteful number, since it uses less digits than its factorization.

12986874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1874 (or 1871 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 12986874 is about 3603.7305670652. The cubic root of 12986874 is about 235.0543046374.

The spelling of 12986874 in words is "twelve million, nine hundred eighty-six thousand, eight hundred seventy-four".