14987863 has 8 divisors (see below), whose sum is σ = 17312400. Its totient is φ = 12823680.

The previous prime is 14987857. The next prime is 14987879. The reversal of 14987863 is 36878941.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14987863 - 2⁹ = 14987351 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14987803) 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 7 ways as a sum of consecutive naturals, for example, 39888 + ... + 40261.

It is an arithmetic number, because the mean of its divisors is an integer number (2164050).

Almost surely, 2^14987863 is an apocalyptic number.

14987863 is a deficient number, since it is larger than the sum of its proper divisors (2324537).

14987863 is a wasteful number, since it uses less digits than its factorization.

14987863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80177.

The product of its digits is 290304, while the sum is 46.

The square root of 14987863 is about 3871.4161491630. The cubic root of 14987863 is about 246.5546730049.

It can be divided in two parts, 149878 and 63, that added together give a palindrome (149941).

The spelling of 14987863 in words is "fourteen million, nine hundred eighty-seven thousand, eight hundred sixty-three".