14212987 has 4 divisors (see below), whose sum is σ = 14703120. Its totient is φ = 13722856.

The previous prime is 14212967. The next prime is 14212999. The reversal of 14212987 is 78921241.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78921241 = 7 ⋅11274463.

It is a cyclic number.

It is not a de Polignac number, because 14212987 - 2¹¹ = 14210939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14212907) 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, 245023 + ... + 245080.

It is an arithmetic number, because the mean of its divisors is an integer number (3675780).

Almost surely, 2^14212987 is an apocalyptic number.

14212987 is a deficient number, since it is larger than the sum of its proper divisors (490133).

14212987 is an equidigital number, since it uses as much as digits as its factorization.

14212987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 490132.

The product of its digits is 8064, while the sum is 34.

The square root of 14212987 is about 3770.0115384439. The cubic root of 14212987 is about 242.2302921292.

The spelling of 14212987 in words is "fourteen million, two hundred twelve thousand, nine hundred eighty-seven".