12386340 has 36 divisors (see below), whose sum is σ = 37572444. Its totient is φ = 3302976.

The previous prime is 12386327. The next prime is 12386369. The reversal of 12386340 is 4368321.

It is a happy number.

12386340 is a `hidden beast` number, since 1 + 23 + 8 + 634 + 0 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 9400356 + 2985984 = 3066^2 + 1728^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 34227 + ... + 34586.

It is an arithmetic number, because the mean of its divisors is an integer number (1043679).

Almost surely, 2^12386340 is an apocalyptic number.

12386340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

12386340 is an abundant number, since it is smaller than the sum of its proper divisors (25186104).

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

12386340 is a wasteful number, since it uses less digits than its factorization.

12386340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68828 (or 68823 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 12386340 is about 3519.4232482042. The cubic root of 12386340 is about 231.3738815182.

The spelling of 12386340 in words is "twelve million, three hundred eighty-six thousand, three hundred forty".