12391014 has 8 divisors (see below), whose sum is σ = 24782040. Its totient is φ = 4130336.

The previous prime is 12391007. The next prime is 12391019. The reversal of 12391014 is 41019321.

12391014 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

12391014 is an admirable number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12391019) 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, 1032579 + ... + 1032590.

It is an arithmetic number, because the mean of its divisors is an integer number (3097755).

Almost surely, 2^12391014 is an apocalyptic number.

12391014 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

12391014 is a wasteful number, since it uses less digits than its factorization.

12391014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2065174.

The product of its (nonzero) digits is 216, while the sum is 21.

The square root of 12391014 is about 3520.0872148286. The cubic root of 12391014 is about 231.4029809272.

The spelling of 12391014 in words is "twelve million, three hundred ninety-one thousand, fourteen".