12817970 has 32 divisors (see below), whose sum is σ = 26498880. Its totient is φ = 4415040.

The previous prime is 12817967. The next prime is 12817979. The reversal of 12817970 is 7971821.

It is a self number, because there is not a number n which added to its sum of digits gives 12817970.

It is not an unprimeable number, because it can be changed into a prime (12817979) 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 15 ways as a sum of consecutive naturals, for example, 977 + ... + 5156.

It is an arithmetic number, because the mean of its divisors is an integer number (828090).

Almost surely, 2^12817970 is an apocalyptic number.

12817970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12817970 is an abundant number, since it is smaller than the sum of its proper divisors (13680910).

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

12817970 is a wasteful number, since it uses less digits than its factorization.

12817970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6170.

The product of its (nonzero) digits is 7056, while the sum is 35.

The square root of 12817970 is about 3580.2192670282. The cubic root of 12817970 is about 234.0308357835.

The spelling of 12817970 in words is "twelve million, eight hundred seventeen thousand, nine hundred seventy".