14087287 has 4 divisors (see below), whose sum is σ = 14097240. Its totient is φ = 14077336.

The previous prime is 14087179. The next prime is 14087317. The reversal of 14087287 is 78278041.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 78278041 = 1163 ⋅67307.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14087287 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14087387) 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, 2413 + ... + 5830.

It is an arithmetic number, because the mean of its divisors is an integer number (3524310).

Almost surely, 2^14087287 is an apocalyptic number.

14087287 is a deficient number, since it is larger than the sum of its proper divisors (9953).

14087287 is an equidigital number, since it uses as much as digits as its factorization.

14087287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9952.

The product of its (nonzero) digits is 25088, while the sum is 37.

The square root of 14087287 is about 3753.3034782708. The cubic root of 14087287 is about 241.5140797116.

The spelling of 14087287 in words is "fourteen million, eighty-seven thousand, two hundred eighty-seven".