14621689 has 4 divisors (see below), whose sum is σ = 14630656. Its totient is φ = 14612724.

The previous prime is 14621687. The next prime is 14621699. The reversal of 14621689 is 98612641.

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, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 98612641 = 19 ⋅5190139.

It is a cyclic number.

It is not a de Polignac number, because 14621689 - 2¹ = 14621687 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14621687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1269 + ... + 5554.

It is an arithmetic number, because the mean of its divisors is an integer number (3657664).

Almost surely, 2^14621689 is an apocalyptic number.

It is an amenable number.

14621689 is a deficient number, since it is larger than the sum of its proper divisors (8967).

14621689 is an equidigital number, since it uses as much as digits as its factorization.

14621689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8966.

The product of its digits is 20736, while the sum is 37.

The square root of 14621689 is about 3823.8317170085. The cubic root of 14621689 is about 244.5302062176.

The spelling of 14621689 in words is "fourteen million, six hundred twenty-one thousand, six hundred eighty-nine".