14066557 has 2 divisors, whose sum is σ = 14066558. Its totient is φ = 14066556.

The previous prime is 14066551. The next prime is 14066561. The reversal of 14066557 is 75566041.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13980121 + 86436 = 3739^2 + 294^2 .

It is an emirp because it is prime and its reverse (75566041) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14066557 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14066551) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7033278 + 7033279.

It is an arithmetic number, because the mean of its divisors is an integer number (7033279).

Almost surely, 2^14066557 is an apocalyptic number.

It is an amenable number.

14066557 is a deficient number, since it is larger than the sum of its proper divisors (1).

14066557 is an equidigital number, since it uses as much as digits as its factorization.

14066557 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 25200, while the sum is 34.

The square root of 14066557 is about 3750.5408943244. The cubic root of 14066557 is about 241.3955557147.

The spelling of 14066557 in words is "fourteen million, sixty-six thousand, five hundred fifty-seven".