14405869 has 2 divisors, whose sum is σ = 14405870. Its totient is φ = 14405868.

The previous prime is 14405861. The next prime is 14405879. The reversal of 14405869 is 96850441.

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., 14402025 + 3844 = 3795^2 + 62^2 .

It is a cyclic number.

It is not a de Polignac number, because 14405869 - 2³ = 14405861 is a prime.

It is a super-2 number, since 2×14405869² = 415058123290322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14405861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7202934 + 7202935.

It is an arithmetic number, because the mean of its divisors is an integer number (7202935).

Almost surely, 2^14405869 is an apocalyptic number.

It is an amenable number.

14405869 is a deficient number, since it is larger than the sum of its proper divisors (1).

14405869 is an equidigital number, since it uses as much as digits as its factorization.

14405869 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 14405869 is about 3795.5064220733. The cubic root of 14405869 is about 243.3211275961.

The spelling of 14405869 in words is "fourteen million, four hundred five thousand, eight hundred sixty-nine".