12782070 has 64 divisors (see below), whose sum is σ = 38960640. Its totient is φ = 2921184.

The previous prime is 12782053. The next prime is 12782071. The reversal of 12782070 is 7028721.

12782070 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12782071) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1492 + ... + 5271.

It is an arithmetic number, because the mean of its divisors is an integer number (608760).

Almost surely, 2^12782070 is an apocalyptic number.

12782070 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12782070 is an abundant number, since it is smaller than the sum of its proper divisors (26178570).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12782070 is a wasteful number, since it uses less digits than its factorization.

12782070 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6786 (or 6780 counting only the distinct ones).

The product of its (nonzero) digits is 1568, while the sum is 27.

The square root of 12782070 is about 3575.2020921900. The cubic root of 12782070 is about 233.8121437716.

The spelling of 12782070 in words is "twelve million, seven hundred eighty-two thousand, seventy".