12389146 has 16 divisors (see below), whose sum is σ = 23169600. Its totient is φ = 4826880.

The previous prime is 12389137. The next prime is 12389147. The reversal of 12389146 is 64198321.

12389146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (12389147) 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, 40071 + ... + 40378.

It is an arithmetic number, because the mean of its divisors is an integer number (1448100).

Almost surely, 2^12389146 is an apocalyptic number.

12389146 is a deficient number, since it is larger than the sum of its proper divisors (10780454).

12389146 is a wasteful number, since it uses less digits than its factorization.

12389146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80469.

The product of its digits is 10368, while the sum is 34.

The square root of 12389146 is about 3519.8218704929. The cubic root of 12389146 is about 231.3913520029.

The spelling of 12389146 in words is "twelve million, three hundred eighty-nine thousand, one hundred forty-six".