12469866 has 8 divisors (see below), whose sum is σ = 24939744. Its totient is φ = 4156620.

The previous prime is 12469861. The next prime is 12469867. The reversal of 12469866 is 66896421.

It is a sphenic number, since it is the product of 3 distinct primes.

12469866 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (12469861) 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 3 ways as a sum of consecutive naturals, for example, 1039150 + ... + 1039161.

It is an arithmetic number, because the mean of its divisors is an integer number (3117468).

Almost surely, 2^12469866 is an apocalyptic number.

12469866 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12469866 is a wasteful number, since it uses less digits than its factorization.

12469866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2078316.

The product of its digits is 124416, while the sum is 42.

The square root of 12469866 is about 3531.2697433076. The cubic root of 12469866 is about 231.8927987684.

The spelling of 12469866 in words is "twelve million, four hundred sixty-nine thousand, eight hundred sixty-six".