12386970 has 24 divisors (see below), whose sum is σ = 32206356. Its totient is φ = 3303168.

The previous prime is 12386929. The next prime is 12386977. The reversal of 12386970 is 7968321.

It can be written as a sum of positive squares in 2 ways, for example, as 11923209 + 463761 = 3453^2 + 681^2 .

It is a Smith number, since the sum of its digits (36) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (12386977) 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 11 ways as a sum of consecutive naturals, for example, 68727 + ... + 68906.

Almost surely, 2^12386970 is an apocalyptic number.

12386970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12386970 is an abundant number, since it is smaller than the sum of its proper divisors (19819386).

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

12386970 is a wasteful number, since it uses less digits than its factorization.

12386970 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 137646 (or 137643 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 12386970 is about 3519.5127503676. The cubic root of 12386970 is about 231.3778042017.

The spelling of 12386970 in words is "twelve million, three hundred eighty-six thousand, nine hundred seventy".