12674638 has 8 divisors (see below), whose sum is σ = 19138320. Its totient is φ = 6295200.

The previous prime is 12674593. The next prime is 12674647. The reversal of 12674638 is 83647621.

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

It is a junction number, because it is equal to n+sod(n) for n = 12674597 and 12674606.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20683 + ... + 21286.

It is an arithmetic number, because the mean of its divisors is an integer number (2392290).

Almost surely, 2^12674638 is an apocalyptic number.

12674638 is a deficient number, since it is larger than the sum of its proper divisors (6463682).

12674638 is a wasteful number, since it uses less digits than its factorization.

12674638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42122.

The product of its digits is 48384, while the sum is 37.

The square root of 12674638 is about 3560.1457835319. The cubic root of 12674638 is about 233.1552441553.

The spelling of 12674638 in words is "twelve million, six hundred seventy-four thousand, six hundred thirty-eight".