14012891 has 2 divisors, whose sum is σ = 14012892. Its totient is φ = 14012890.

The previous prime is 14012881. The next prime is 14012893. The reversal of 14012891 is 19821041.

It is a strong prime.

It is an emirp because it is prime and its reverse (19821041) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14012891 - 2¹⁸ = 13750747 is a prime.

It is a super-2 number, since 2×14012891² = 392722228355762, which contains 22 as substring.

Together with 14012893, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14012891.

It is not a weakly prime, because it can be changed into another prime (14012893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7006445 + 7006446.

It is an arithmetic number, because the mean of its divisors is an integer number (7006446).

Almost surely, 2^14012891 is an apocalyptic number.

14012891 is a deficient number, since it is larger than the sum of its proper divisors (1).

14012891 is an equidigital number, since it uses as much as digits as its factorization.

14012891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 26.

The square root of 14012891 is about 3743.3796227473. The cubic root of 14012891 is about 241.0881778766.

It can be divided in two parts, 140 and 12891, that added together give a palindrome (13031).

The spelling of 14012891 in words is "fourteen million, twelve thousand, eight hundred ninety-one".