12449678 has 8 divisors (see below), whose sum is σ = 19773072. Its totient is φ = 5858656.

The previous prime is 12449677. The next prime is 12449681. The reversal of 12449678 is 87694421.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12449677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183050 + ... + 183117.

It is an arithmetic number, because the mean of its divisors is an integer number (2471634).

Almost surely, 2^12449678 is an apocalyptic number.

12449678 is a deficient number, since it is larger than the sum of its proper divisors (7323394).

12449678 is a wasteful number, since it uses less digits than its factorization.

12449678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366186.

The product of its digits is 96768, while the sum is 41.

The square root of 12449678 is about 3528.4101235542. The cubic root of 12449678 is about 231.7675907822.

The spelling of 12449678 in words is "twelve million, four hundred forty-nine thousand, six hundred seventy-eight".