12124886 has 4 divisors (see below), whose sum is σ = 18187332. Its totient is φ = 6062442.

The previous prime is 12124867. The next prime is 12124891. The reversal of 12124886 is 68842121.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3031220 + ... + 3031223.

It is an arithmetic number, because the mean of its divisors is an integer number (4546833).

Almost surely, 2^12124886 is an apocalyptic number.

12124886 is a deficient number, since it is larger than the sum of its proper divisors (6062446).

12124886 is an equidigital number, since it uses as much as digits as its factorization.

12124886 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6062445.

The product of its digits is 6144, while the sum is 32.

The square root of 12124886 is about 3482.0806998115. The cubic root of 12124886 is about 229.7343246137.

The spelling of 12124886 in words is "twelve million, one hundred twenty-four thousand, eight hundred eighty-six".