14293691 has 2 divisors, whose sum is σ = 14293692. Its totient is φ = 14293690.

The previous prime is 14293663. The next prime is 14293693. The reversal of 14293691 is 19639241.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14293691 is a prime.

Together with 14293693, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (14293693) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7146845 + 7146846.

It is an arithmetic number, because the mean of its divisors is an integer number (7146846).

Almost surely, 2^14293691 is an apocalyptic number.

14293691 is a deficient number, since it is larger than the sum of its proper divisors (1).

14293691 is an equidigital number, since it uses as much as digits as its factorization.

14293691 is an evil number, because the sum of its binary digits is even.

The product of its digits is 11664, while the sum is 35.

The square root of 14293691 is about 3780.6998029465. The cubic root of 14293691 is about 242.6879033948.

The spelling of 14293691 in words is "fourteen million, two hundred ninety-three thousand, six hundred ninety-one".