14975287 has 4 divisors (see below), whose sum is σ = 15763480. Its totient is φ = 14187096.

The previous prime is 14975267. The next prime is 14975327. The reversal of 14975287 is 78257941.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14975287 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 (14975227) by changing a digit.

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, 394068 + ... + 394105.

It is an arithmetic number, because the mean of its divisors is an integer number (3940870).

Almost surely, 2^14975287 is an apocalyptic number.

14975287 is a deficient number, since it is larger than the sum of its proper divisors (788193).

14975287 is an equidigital number, since it uses as much as digits as its factorization.

14975287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 788192.

The product of its digits is 141120, while the sum is 43.

The square root of 14975287 is about 3869.7915964558. The cubic root of 14975287 is about 246.4856940982.

The spelling of 14975287 in words is "fourteen million, nine hundred seventy-five thousand, two hundred eighty-seven".