14111969 has 2 divisors, whose sum is σ = 14111970. Its totient is φ = 14111968.

The previous prime is 14111957. The next prime is 14111971. The reversal of 14111969 is 96911141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11971600 + 2140369 = 3460^2 + 1463^2 .

It is a cyclic number.

It is not a de Polignac number, because 14111969 - 2⁴ = 14111953 is a prime.

It is a super-2 number, since 2×14111969² = 398295338113922, which contains 22 as substring.

Together with 14111971, 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 (14111369) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7055984 + 7055985.

It is an arithmetic number, because the mean of its divisors is an integer number (7055985).

Almost surely, 2^14111969 is an apocalyptic number.

It is an amenable number.

14111969 is a deficient number, since it is larger than the sum of its proper divisors (1).

14111969 is an equidigital number, since it uses as much as digits as its factorization.

14111969 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1944, while the sum is 32.

The square root of 14111969 is about 3756.5900761196. The cubic root of 14111969 is about 241.6550477701.

The spelling of 14111969 in words is "fourteen million, one hundred eleven thousand, nine hundred sixty-nine".