14249869 has 2 divisors, whose sum is σ = 14249870. Its totient is φ = 14249868.

The previous prime is 14249849. The next prime is 14249887. The reversal of 14249869 is 96894241.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 13322500 + 927369 = 3650^2 + 963^2 .

It is an emirp because it is prime and its reverse (96894241) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14249869 is a prime.

It is a super-2 number, since 2×14249869² = 406117533034322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14249839) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7124934 + 7124935.

It is an arithmetic number, because the mean of its divisors is an integer number (7124935).

Almost surely, 2^14249869 is an apocalyptic number.

It is an amenable number.

14249869 is a deficient number, since it is larger than the sum of its proper divisors (1).

14249869 is an equidigital number, since it uses as much as digits as its factorization.

14249869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 124416, while the sum is 43.

The square root of 14249869 is about 3774.8998662216. The cubic root of 14249869 is about 242.4396363730.

The spelling of 14249869 in words is "fourteen million, two hundred forty-nine thousand, eight hundred sixty-nine".