14281216 has 20 divisors (see below), whose sum is σ = 28535562. Its totient is φ = 7140352.

The previous prime is 14281193. The next prime is 14281237. The reversal of 14281216 is 61218241.

It can be written as a sum of positive squares in only one way, i.e., 7311616 + 6969600 = 2704^2 + 2640^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 13435 + ... + 14458.

Almost surely, 2^14281216 is an apocalyptic number.

14281216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

14281216 is a deficient number, since it is larger than the sum of its proper divisors (14254346).

14281216 is an frugal number, since it uses more digits than its factorization.

14281216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27911 (or 27895 counting only the distinct ones).

The product of its digits is 768, while the sum is 25.

The square root of 14281216 is about 3779.0496159749. The cubic root of 14281216 is about 242.6172798636.

Adding to 14281216 its reverse (61218241), we get a palindrome (75499457).

The spelling of 14281216 in words is "fourteen million, two hundred eighty-one thousand, two hundred sixteen".