14983987 has 4 divisors (see below), whose sum is σ = 15865416. Its totient is φ = 14102560.

The previous prime is 14983973. The next prime is 14983999. The reversal of 14983987 is 78938941.

It is a happy number.

14983987 is digitally balanced in base 2, because in such base 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 an emirpimes, since its reverse is a distinct semiprime: 78938941 = 61 ⋅1294081.

It is a cyclic number.

It is not a de Polignac number, because 14983987 - 2¹⁹ = 14459699 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14983987.

It is not an unprimeable number, because it can be changed into a prime (14983957) 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, 440689 + ... + 440722.

It is an arithmetic number, because the mean of its divisors is an integer number (3966354).

Almost surely, 2^14983987 is an apocalyptic number.

14983987 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

14983987 is a deficient number, since it is larger than the sum of its proper divisors (881429).

14983987 is an equidigital number, since it uses as much as digits as its factorization.

14983987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 881428.

The product of its digits is 435456, while the sum is 49.

The square root of 14983987 is about 3870.9155247822. The cubic root of 14983987 is about 246.5334173995.

The spelling of 14983987 in words is "fourteen million, nine hundred eighty-three thousand, nine hundred eighty-seven".