12486243 has 32 divisors (see below), whose sum is σ = 20938752. Its totient is φ = 6429600.

The previous prime is 12486239. The next prime is 12486251. The reversal of 12486243 is 34268421.

It is not a de Polignac number, because 12486243 - 2² = 12486239 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 12486243.

It is not an unprimeable number, because it can be changed into a prime (12486283) 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 31 ways as a sum of consecutive naturals, for example, 43980 + ... + 44262.

It is an arithmetic number, because the mean of its divisors is an integer number (654336).

Almost surely, 2^12486243 is an apocalyptic number.

12486243 is a deficient number, since it is larger than the sum of its proper divisors (8452509).

12486243 is a wasteful number, since it uses less digits than its factorization.

12486243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 495.

The product of its digits is 9216, while the sum is 30.

The square root of 12486243 is about 3533.5878367461. The cubic root of 12486243 is about 231.9942713112.

The spelling of 12486243 in words is "twelve million, four hundred eighty-six thousand, two hundred forty-three".