12289746 has 32 divisors (see below), whose sum is σ = 28626048. Its totient is φ = 3444480.

The previous prime is 12289687. The next prime is 12289757. The reversal of 12289746 is 64798221.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 535 + ... + 4986.

It is an arithmetic number, because the mean of its divisors is an integer number (894564).

Almost surely, 2^12289746 is an apocalyptic number.

12289746 is an abundant number, since it is smaller than the sum of its proper divisors (16336302).

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

12289746 is a wasteful number, since it uses less digits than its factorization.

12289746 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5586.

The product of its digits is 48384, while the sum is 39.

The square root of 12289746 is about 3505.6734017875. The cubic root of 12289746 is about 230.7708602791.

The spelling of 12289746 in words is "twelve million, two hundred eighty-nine thousand, seven hundred forty-six".