14689897 has 4 divisors (see below), whose sum is σ = 15002496. Its totient is φ = 14377300.

The previous prime is 14689861. The next prime is 14689901. The reversal of 14689897 is 79898641.

It is a happy number.

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.

It is a de Polignac number, because none of the positive numbers 2^k-14689897 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14689097) 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, 156229 + ... + 156322.

It is an arithmetic number, because the mean of its divisors is an integer number (3750624).

Almost surely, 2^14689897 is an apocalyptic number.

It is an amenable number.

14689897 is a deficient number, since it is larger than the sum of its proper divisors (312599).

14689897 is an equidigital number, since it uses as much as digits as its factorization.

14689897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 312598.

The product of its digits is 870912, while the sum is 52.

The square root of 14689897 is about 3832.7401425090. The cubic root of 14689897 is about 244.9098488253.

The spelling of 14689897 in words is "fourteen million, six hundred eighty-nine thousand, eight hundred ninety-seven".