12388107 has 4 divisors (see below), whose sum is σ = 16517480. Its totient is φ = 8258736.

The previous prime is 12388073. The next prime is 12388147. The reversal of 12388107 is 70188321.

It is a happy number.

12388107 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 12388107 - 2⁷ = 12387979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12388147) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2064682 + ... + 2064687.

It is an arithmetic number, because the mean of its divisors is an integer number (4129370).

Almost surely, 2^12388107 is an apocalyptic number.

12388107 is a deficient number, since it is larger than the sum of its proper divisors (4129373).

12388107 is an equidigital number, since it uses as much as digits as its factorization.

12388107 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4129372.

The product of its (nonzero) digits is 2688, while the sum is 30.

The square root of 12388107 is about 3519.6742747021. The cubic root of 12388107 is about 231.3848833748.

The spelling of 12388107 in words is "twelve million, three hundred eighty-eight thousand, one hundred seven".