14993689 has 8 divisors (see below), whose sum is σ = 15272712. Its totient is φ = 14716800.

The previous prime is 14993687. The next prime is 14993707. The reversal of 14993689 is 98639941.

It can be written as a sum of positive squares in 4 ways, for example, as 9272025 + 5721664 = 3045^2 + 2392^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 14993689 - 2¹ = 14993687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14993681) 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 7 ways as a sum of consecutive naturals, for example, 21039 + ... + 21739.

It is an arithmetic number, because the mean of its divisors is an integer number (1909089).

Almost surely, 2^14993689 is an apocalyptic number.

It is an amenable number.

14993689 is a deficient number, since it is larger than the sum of its proper divisors (279023).

14993689 is an equidigital number, since it uses as much as digits as its factorization.

14993689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1067.

The product of its digits is 419904, while the sum is 49.

The square root of 14993689 is about 3872.1685138950. The cubic root of 14993689 is about 246.5866153270.

The spelling of 14993689 in words is "fourteen million, nine hundred ninety-three thousand, six hundred eighty-nine".