14391071 has 4 divisors (see below), whose sum is σ = 14697312. Its totient is φ = 14084832.

The previous prime is 14391049. The next prime is 14391073. The reversal of 14391071 is 17019341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 17019341 = 31 ⋅549011.

It is a cyclic number.

It is not a de Polignac number, because 14391071 - 2⁶ = 14391007 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14391071.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14391073) 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, 153050 + ... + 153143.

It is an arithmetic number, because the mean of its divisors is an integer number (3674328).

Almost surely, 2^14391071 is an apocalyptic number.

14391071 is a deficient number, since it is larger than the sum of its proper divisors (306241).

14391071 is an equidigital number, since it uses as much as digits as its factorization.

14391071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306240.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 14391071 is about 3793.5565107166. The cubic root of 14391071 is about 243.2377842578.

The spelling of 14391071 in words is "fourteen million, three hundred ninety-one thousand, seventy-one".