14989521 has 4 divisors (see below), whose sum is σ = 19986032. Its totient is φ = 9993012.

The previous prime is 14989519. The next prime is 14989531. The reversal of 14989521 is 12598941.

14989521 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

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: 12598941 = 3 ⋅4199647.

It is not a de Polignac number, because 14989521 - 2¹ = 14989519 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 14989521.

It is not an unprimeable number, because it can be changed into a prime (14989501) 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, 2498251 + ... + 2498256.

It is an arithmetic number, because the mean of its divisors is an integer number (4996508).

Almost surely, 2^14989521 is an apocalyptic number.

It is an amenable number.

14989521 is a deficient number, since it is larger than the sum of its proper divisors (4996511).

14989521 is an equidigital number, since it uses as much as digits as its factorization.

14989521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4996510.

The product of its digits is 25920, while the sum is 39.

The square root of 14989521 is about 3871.6302767697. The cubic root of 14989521 is about 246.5637641959.

The spelling of 14989521 in words is "fourteen million, nine hundred eighty-nine thousand, five hundred twenty-one".