14891216 has 20 divisors (see below), whose sum is σ = 28919652. Its totient is φ = 7428096.

The previous prime is 14891203. The next prime is 14891221. The reversal of 14891216 is 61219841.

It can be written as a sum of positive squares in 2 ways, for example, as 12931216 + 1960000 = 3596^2 + 1400^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8426 + ... + 10038.

Almost surely, 2^14891216 is an apocalyptic number.

14891216 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

14891216 is a deficient number, since it is larger than the sum of its proper divisors (14028436).

14891216 is a wasteful number, since it uses less digits than its factorization.

14891216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198 (or 2192 counting only the distinct ones).

The product of its digits is 3456, while the sum is 32.

The square root of 14891216 is about 3858.9138368199. The cubic root of 14891216 is about 246.0235727736.

The spelling of 14891216 in words is "fourteen million, eight hundred ninety-one thousand, two hundred sixteen".