12389494 has 8 divisors (see below), whose sum is σ = 20013840. Its totient is φ = 5718216.

The previous prime is 12389483. The next prime is 12389497. The reversal of 12389494 is 49498321.

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

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12389497) 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, 238234 + ... + 238285.

It is an arithmetic number, because the mean of its divisors is an integer number (2501730).

Almost surely, 2^12389494 is an apocalyptic number.

12389494 is a deficient number, since it is larger than the sum of its proper divisors (7624346).

12389494 is a wasteful number, since it uses less digits than its factorization.

12389494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 476534.

The product of its digits is 62208, while the sum is 40.

The square root of 12389494 is about 3519.8713044655. The cubic root of 12389494 is about 231.3935185078.

The spelling of 12389494 in words is "twelve million, three hundred eighty-nine thousand, four hundred ninety-four".