14689618 has 4 divisors (see below), whose sum is σ = 22034430. Its totient is φ = 7344808.

The previous prime is 14689579. The next prime is 14689637. The reversal of 14689618 is 81698641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 81698641 = 271 ⋅301471.

It can be written as a sum of positive squares in only one way, i.e., 9504889 + 5184729 = 3083^2 + 2277^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3672403 + ... + 3672406.

Almost surely, 2^14689618 is an apocalyptic number.

14689618 is a deficient number, since it is larger than the sum of its proper divisors (7344812).

14689618 is an equidigital number, since it uses as much as digits as its factorization.

14689618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7344811.

The product of its digits is 82944, while the sum is 43.

The square root of 14689618 is about 3832.7037453996. The cubic root of 14689618 is about 244.9082983202.

The spelling of 14689618 in words is "fourteen million, six hundred eighty-nine thousand, six hundred eighteen".