12870782 has 8 divisors (see below), whose sum is σ = 19331136. Its totient is φ = 6427072.

The previous prime is 12870779. The next prime is 12870799. The reversal of 12870782 is 28707821.

12870782 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2003 + ... + 5454.

It is an arithmetic number, because the mean of its divisors is an integer number (2416392).

Almost surely, 2^12870782 is an apocalyptic number.

12870782 is a deficient number, since it is larger than the sum of its proper divisors (6460354).

12870782 is an equidigital number, since it uses as much as digits as its factorization.

12870782 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8322.

The product of its (nonzero) digits is 12544, while the sum is 35.

The square root of 12870782 is about 3587.5872114835. The cubic root of 12870782 is about 234.3518096640.

The spelling of 12870782 in words is "twelve million, eight hundred seventy thousand, seven hundred eighty-two".