12686352 has 80 divisors (see below), whose sum is σ = 39676032. Its totient is φ = 3409920.

The previous prime is 12686341. The next prime is 12686389. The reversal of 12686352 is 25368621.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4602 + ... + 6822.

Almost surely, 2^12686352 is an apocalyptic number.

12686352 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12686352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19838016).

12686352 is an abundant number, since it is smaller than the sum of its proper divisors (26989680).

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

12686352 is a wasteful number, since it uses less digits than its factorization.

12686352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2256 (or 2250 counting only the distinct ones).

The product of its digits is 17280, while the sum is 33.

The square root of 12686352 is about 3561.7905609398. The cubic root of 12686352 is about 233.2270500080.

The spelling of 12686352 in words is "twelve million, six hundred eighty-six thousand, three hundred fifty-two".