12388395 has 16 divisors (see below), whose sum is σ = 20005920. Its totient is φ = 6545664.

The previous prime is 12388391. The next prime is 12388403. The reversal of 12388395 is 59388321.

12388395 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 12388395 - 2² = 12388391 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12388391) 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, 2154 + ... + 5423.

It is an arithmetic number, because the mean of its divisors is an integer number (1250370).

Almost surely, 2^12388395 is an apocalyptic number.

12388395 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

12388395 is a deficient number, since it is larger than the sum of its proper divisors (7617525).

12388395 is a wasteful number, since it uses less digits than its factorization.

12388395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7694.

The product of its digits is 51840, while the sum is 39.

The square root of 12388395 is about 3519.7151873412. The cubic root of 12388395 is about 231.3866764475.

The spelling of 12388395 in words is "twelve million, three hundred eighty-eight thousand, three hundred ninety-five".