14418689 has 4 divisors (see below), whose sum is σ = 14883840. Its totient is φ = 13953540.

The previous prime is 14418671. The next prime is 14418727. The reversal of 14418689 is 98681441.

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: 98681441 = 2437 ⋅40493.

It is a cyclic number.

It is not a de Polignac number, because 14418689 - 2⁸ = 14418433 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14418619) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 232529 + ... + 232590.

It is an arithmetic number, because the mean of its divisors is an integer number (3720960).

Almost surely, 2^14418689 is an apocalyptic number.

It is an amenable number.

14418689 is a deficient number, since it is larger than the sum of its proper divisors (465151).

14418689 is an equidigital number, since it uses as much as digits as its factorization.

14418689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 465150.

The product of its digits is 55296, while the sum is 41.

The square root of 14418689 is about 3797.1948857018. The cubic root of 14418689 is about 243.3932845757.

The spelling of 14418689 in words is "fourteen million, four hundred eighteen thousand, six hundred eighty-nine".