12782006 has 8 divisors (see below), whose sum is σ = 19352520. Its totient is φ = 6331168.

The previous prime is 12781939. The next prime is 12782009. The reversal of 12782006 is 60028721.

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 (12782009) by changing a digit.

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, 29651 + ... + 30078.

It is an arithmetic number, because the mean of its divisors is an integer number (2419065).

Almost surely, 2^12782006 is an apocalyptic number.

12782006 is a deficient number, since it is larger than the sum of its proper divisors (6570514).

12782006 is a wasteful number, since it uses less digits than its factorization.

12782006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59838.

The product of its (nonzero) digits is 1344, while the sum is 26.

The square root of 12782006 is about 3575.1931416358. The cubic root of 12782006 is about 233.8117535374.

The spelling of 12782006 in words is "twelve million, seven hundred eighty-two thousand, six".