14965409 has 4 divisors (see below), whose sum is σ = 15219120. Its totient is φ = 14711700.

The previous prime is 14965393. The next prime is 14965417. The reversal of 14965409 is 90456941.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 90456941 = 131 ⋅690511.

It is a cyclic number.

It is not a de Polignac number, because 14965409 - 2⁴ = 14965393 is a prime.

It is a super-3 number, since 3×14965409³ (a number of 23 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14964409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 126767 + ... + 126884.

It is an arithmetic number, because the mean of its divisors is an integer number (3804780).

Almost surely, 2^14965409 is an apocalyptic number.

It is an amenable number.

14965409 is a deficient number, since it is larger than the sum of its proper divisors (253711).

14965409 is an equidigital number, since it uses as much as digits as its factorization.

14965409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 253710.

The product of its (nonzero) digits is 38880, while the sum is 38.

The square root of 14965409 is about 3868.5150897987. The cubic root of 14965409 is about 246.4314865400.

The spelling of 14965409 in words is "fourteen million, nine hundred sixty-five thousand, four hundred nine".