14012391 has 4 divisors (see below), whose sum is σ = 18683192. Its totient is φ = 9341592.

The previous prime is 14012363. The next prime is 14012393. The reversal of 14012391 is 19321041.

14012391 is digitally balanced in base 3, 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 14012391 - 2¹⁷ = 13881319 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14012393) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2335396 + ... + 2335401.

It is an arithmetic number, because the mean of its divisors is an integer number (4670798).

Almost surely, 2^14012391 is an apocalyptic number.

14012391 is a deficient number, since it is larger than the sum of its proper divisors (4670801).

14012391 is an equidigital number, since it uses as much as digits as its factorization.

14012391 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4670800.

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

The square root of 14012391 is about 3743.3128375812. The cubic root of 14012391 is about 241.0853103854.

The spelling of 14012391 in words is "fourteen million, twelve thousand, three hundred ninety-one".