14439963 has 4 divisors (see below), whose sum is σ = 19253288. Its totient is φ = 9626640.

The previous prime is 14439947. The next prime is 14439967. The reversal of 14439963 is 36993441.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 36993441 = 3 ⋅12331147.

It is not a de Polignac number, because 14439963 - 2⁴ = 14439947 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14439967) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2406658 + ... + 2406663.

It is an arithmetic number, because the mean of its divisors is an integer number (4813322).

Almost surely, 2^14439963 is an apocalyptic number.

14439963 is a deficient number, since it is larger than the sum of its proper divisors (4813325).

14439963 is an equidigital number, since it uses as much as digits as its factorization.

14439963 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4813324.

The product of its digits is 69984, while the sum is 39.

The square root of 14439963 is about 3799.9951315758. The cubic root of 14439963 is about 243.5129303176.

The spelling of 14439963 in words is "fourteen million, four hundred thirty-nine thousand, nine hundred sixty-three".