14287216 has 10 divisors (see below), whose sum is σ = 27681512. Its totient is φ = 7143600.

The previous prime is 14287199. The next prime is 14287241. The reversal of 14287216 is 61278241.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 446460 + ... + 446491.

Almost surely, 2^14287216 is an apocalyptic number.

14287216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

14287216 is a deficient number, since it is larger than the sum of its proper divisors (13394296).

14287216 is an equidigital number, since it uses as much as digits as its factorization.

14287216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892959 (or 892953 counting only the distinct ones).

The product of its digits is 5376, while the sum is 31.

The square root of 14287216 is about 3779.8433829988. The cubic root of 14287216 is about 242.6512522243.

Subtracting from 14287216 its sum of digits (31), we obtain a triangular number (14287185 = T₅₃₄₅).

Subtracting from 14287216 its product of digits (5376), we obtain a triangular number (14281840 = T₅₃₄₄).

Subtracting 14287216 from its reverse (61278241), we obtain a square (46991025 = 6855²).

The spelling of 14287216 in words is "fourteen million, two hundred eighty-seven thousand, two hundred sixteen".