12388386 has 16 divisors (see below), whose sum is σ = 25353504. Its totient is φ = 4033344.

The previous prime is 12388381. The next prime is 12388391. The reversal of 12388386 is 68388321.

It is an interprime number because it is at equal distance from previous prime (12388381) and next prime (12388391).

It is not an unprimeable number, because it can be changed into a prime (12388381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23751 + ... + 24266.

It is an arithmetic number, because the mean of its divisors is an integer number (1584594).

Almost surely, 2^12388386 is an apocalyptic number.

12388386 is an abundant number, since it is smaller than the sum of its proper divisors (12965118).

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

12388386 is a wasteful number, since it uses less digits than its factorization.

12388386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48065.

The product of its digits is 55296, while the sum is 39.

The square root of 12388386 is about 3519.7139088284. The cubic root of 12388386 is about 231.3866204144.

The spelling of 12388386 in words is "twelve million, three hundred eighty-eight thousand, three hundred eighty-six".