14266981 has 2 divisors, whose sum is σ = 14266982. Its totient is φ = 14266980.

The previous prime is 14266979. The next prime is 14266999. The reversal of 14266981 is 18966241.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 14130081 + 136900 = 3759^2 + 370^2 .

It is a cyclic number.

It is not a de Polignac number, because 14266981 - 2¹ = 14266979 is a prime.

It is a super-2 number, since 2×14266981² = 407093493708722, which contains 22 as substring.

Together with 14266979, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 14266981.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14266951) 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, 7133490 + 7133491.

It is an arithmetic number, because the mean of its divisors is an integer number (7133491).

Almost surely, 2^14266981 is an apocalyptic number.

It is an amenable number.

14266981 is a deficient number, since it is larger than the sum of its proper divisors (1).

14266981 is an equidigital number, since it uses as much as digits as its factorization.

14266981 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 37.

The square root of 14266981 is about 3777.1657363690. The cubic root of 14266981 is about 242.5366423533.

The spelling of 14266981 in words is "fourteen million, two hundred sixty-six thousand, nine hundred eighty-one".