12489466 has 16 divisors (see below), whose sum is σ = 21097728. Its totient is φ = 5493600.

The previous prime is 12489443. The next prime is 12489467. The reversal of 12489466 is 66498421.

It is not an unprimeable number, because it can be changed into a prime (12489467) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8475 + ... + 9838.

It is an arithmetic number, because the mean of its divisors is an integer number (1318608).

Almost surely, 2^12489466 is an apocalyptic number.

12489466 is a deficient number, since it is larger than the sum of its proper divisors (8608262).

12489466 is a wasteful number, since it uses less digits than its factorization.

12489466 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18357.

The product of its digits is 82944, while the sum is 40.

The square root of 12489466 is about 3534.0438593770. The cubic root of 12489466 is about 232.0142306966.

The spelling of 12489466 in words is "twelve million, four hundred eighty-nine thousand, four hundred sixty-six".