14440987 has 12 divisors (see below), whose sum is σ = 16566480. Its totient is φ = 12554960.

The previous prime is 14440981. The next prime is 14440997. The reversal of 14440987 is 78904441.

It is not a de Polignac number, because 14440987 - 2⁷ = 14440859 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14440981) 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 11 ways as a sum of consecutive naturals, for example, 189 + ... + 5377.

It is an arithmetic number, because the mean of its divisors is an integer number (1380540).

Almost surely, 2^14440987 is an apocalyptic number.

14440987 is a deficient number, since it is larger than the sum of its proper divisors (2125493).

14440987 is a wasteful number, since it uses less digits than its factorization.

14440987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5234 (or 5223 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 37.

The square root of 14440987 is about 3800.1298662019. The cubic root of 14440987 is about 243.5186863652.

The spelling of 14440987 in words is "fourteen million, four hundred forty thousand, nine hundred eighty-seven".