12038678 has 4 divisors (see below), whose sum is σ = 18058020. Its totient is φ = 6019338.

The previous prime is 12038671. The next prime is 12038687. The reversal of 12038678 is 87683021.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12038671) 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 as a sum of consecutive naturals, namely, 3009668 + ... + 3009671.

It is an arithmetic number, because the mean of its divisors is an integer number (4514505).

Almost surely, 2^12038678 is an apocalyptic number.

12038678 is a deficient number, since it is larger than the sum of its proper divisors (6019342).

12038678 is an equidigital number, since it uses as much as digits as its factorization.

12038678 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6019341.

The product of its (nonzero) digits is 16128, while the sum is 35.

The square root of 12038678 is about 3469.6798123170. The cubic root of 12038678 is about 229.1885583641.

The spelling of 12038678 in words is "twelve million, thirty-eight thousand, six hundred seventy-eight".