12787006 has 4 divisors (see below), whose sum is σ = 19180512. Its totient is φ = 6393502.

The previous prime is 12787001. The next prime is 12787051. The reversal of 12787006 is 60078721.

It is a happy number.

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

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12787001) 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, 3196750 + ... + 3196753.

It is an arithmetic number, because the mean of its divisors is an integer number (4795128).

Almost surely, 2^12787006 is an apocalyptic number.

12787006 is a deficient number, since it is larger than the sum of its proper divisors (6393506).

12787006 is an equidigital number, since it uses as much as digits as its factorization.

12787006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6393505.

The product of its (nonzero) digits is 4704, while the sum is 31.

The square root of 12787006 is about 3575.8923361869. The cubic root of 12787006 is about 233.8422366600.

The spelling of 12787006 in words is "twelve million, seven hundred eighty-seven thousand, six".