12424986 has 48 divisors (see below), whose sum is σ = 31769088. Its totient is φ = 3434400.

The previous prime is 12424969. The next prime is 12425027. The reversal of 12424986 is 68942421.

It is a self number, because there is not a number n which added to its sum of digits gives 12424986.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2316 + ... + 5496.

It is an arithmetic number, because the mean of its divisors is an integer number (661856).

Almost surely, 2^12424986 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12424986, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15884544).

12424986 is an abundant number, since it is smaller than the sum of its proper divisors (19344102).

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

12424986 is a wasteful number, since it uses less digits than its factorization.

12424986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3227 (or 3224 counting only the distinct ones).

The product of its digits is 27648, while the sum is 36.

The square root of 12424986 is about 3524.9093605368. The cubic root of 12424986 is about 231.6142643813.

The spelling of 12424986 in words is "twelve million, four hundred twenty-four thousand, nine hundred eighty-six".