12388970 has 48 divisors (see below), whose sum is σ = 25307424. Its totient is φ = 4329600.

The previous prime is 12388967. The next prime is 12388991. The reversal of 12388970 is 7988321.

12388970 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 184877 + ... + 184943.

It is an arithmetic number, because the mean of its divisors is an integer number (527238).

Almost surely, 2^12388970 is an apocalyptic number.

12388970 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

12388970 is an abundant number, since it is smaller than the sum of its proper divisors (12918454).

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

12388970 is a wasteful number, since it uses less digits than its factorization.

12388970 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 167 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 38.

The square root of 12388970 is about 3519.7968691389. The cubic root of 12388970 is about 231.3902562838.

The spelling of 12388970 in words is "twelve million, three hundred eighty-eight thousand, nine hundred seventy".