14215516 has 12 divisors (see below), whose sum is σ = 28431088. Its totient is φ = 6092352.

The previous prime is 14215471. The next prime is 14215517. The reversal of 14215516 is 61551241.

It is a happy number.

14215516 is an admirable number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14215517) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 253821 + ... + 253876.

Almost surely, 2^14215516 is an apocalyptic number.

It is an amenable number.

14215516 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

14215516 is a wasteful number, since it uses less digits than its factorization.

14215516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 507708 (or 507706 counting only the distinct ones).

The product of its digits is 1200, while the sum is 25.

The square root of 14215516 is about 3770.3469336389. The cubic root of 14215516 is about 242.2446584286.

Adding to 14215516 its reverse (61551241), we get a palindrome (75766757).

The spelling of 14215516 in words is "fourteen million, two hundred fifteen thousand, five hundred sixteen".