14661869 has 2 divisors, whose sum is σ = 14661870. Its totient is φ = 14661868.

The previous prime is 14661827. The next prime is 14661893. The reversal of 14661869 is 96816641.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12687844 + 1974025 = 3562^2 + 1405^2 .

It is an emirp because it is prime and its reverse (96816641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14661869 - 2¹⁶ = 14596333 is a prime.

It is a super-2 number, since 2×14661869² = 429940805146322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14661469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7330934 + 7330935.

It is an arithmetic number, because the mean of its divisors is an integer number (7330935).

Almost surely, 2^14661869 is an apocalyptic number.

It is an amenable number.

14661869 is a deficient number, since it is larger than the sum of its proper divisors (1).

14661869 is an equidigital number, since it uses as much as digits as its factorization.

14661869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 41.

The square root of 14661869 is about 3829.0820048675. The cubic root of 14661869 is about 244.7539887912.

The spelling of 14661869 in words is "fourteen million, six hundred sixty-one thousand, eight hundred sixty-nine".