12782847 has 16 divisors (see below), whose sum is σ = 21249792. Its totient is φ = 6640320.

The previous prime is 12782831. The next prime is 12782851. The reversal of 12782847 is 74828721.

It is not a de Polignac number, because 12782847 - 2⁴ = 12782831 is a prime.

It is a zygodrome in base 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12782807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27438 + ... + 27899.

It is an arithmetic number, because the mean of its divisors is an integer number (1328112).

Almost surely, 2^12782847 is an apocalyptic number.

12782847 is a deficient number, since it is larger than the sum of its proper divisors (8466945).

12782847 is a wasteful number, since it uses less digits than its factorization.

12782847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55358.

The product of its digits is 50176, while the sum is 39.

The square root of 12782847 is about 3575.3107557246. The cubic root of 12782847 is about 233.8168813547.

The spelling of 12782847 in words is "twelve million, seven hundred eighty-two thousand, eight hundred forty-seven".