12858984 has 24 divisors (see below), whose sum is σ = 34826610. Its totient is φ = 4286304.

The previous prime is 12858971. The next prime is 12858997. The reversal of 12858984 is 48985821.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (12858971) and next prime (12858997).

It can be written as a sum of positive squares in only one way, i.e., 11902500 + 956484 = 3450^2 + 978^2 .

It is a tau number, because it is divible by the number of its divisors (24).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 89227 + ... + 89370.

Almost surely, 2^12858984 is an apocalyptic number.

It is an amenable number.

12858984 is an abundant number, since it is smaller than the sum of its proper divisors (21967626).

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

12858984 is a wasteful number, since it uses less digits than its factorization.

12858984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178609 (or 178602 counting only the distinct ones).

The product of its digits is 184320, while the sum is 45.

The square root of 12858984 is about 3585.9425539180. The cubic root of 12858984 is about 234.2801815922.

The spelling of 12858984 in words is "twelve million, eight hundred fifty-eight thousand, nine hundred eighty-four".