14987816 has 16 divisors (see below), whose sum is σ = 28499040. Its totient is φ = 7388080.

The previous prime is 14987813. The next prime is 14987851. The reversal of 14987816 is 61878941.

It is an alternating number because its digits alternate between odd and even.

It is not an unprimeable number, because it can be changed into a prime (14987813) 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, 12626 + ... + 13761.

It is an arithmetic number, because the mean of its divisors is an integer number (1781190).

Almost surely, 2^14987816 is an apocalyptic number.

It is an amenable number.

14987816 is a deficient number, since it is larger than the sum of its proper divisors (13511224).

14987816 is a wasteful number, since it uses less digits than its factorization.

14987816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26464 (or 26460 counting only the distinct ones).

The product of its digits is 96768, while the sum is 44.

The square root of 14987816 is about 3871.4100790281. The cubic root of 14987816 is about 246.5544152834.

The spelling of 14987816 in words is "fourteen million, nine hundred eighty-seven thousand, eight hundred sixteen".