14258987 has 4 divisors (see below), whose sum is σ = 15009480. Its totient is φ = 13508496.

The previous prime is 14258983. The next prime is 14259013. The reversal of 14258987 is 78985241.

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

It is a cyclic number.

It is not a de Polignac number, because 14258987 - 2² = 14258983 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14258983) 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, 375218 + ... + 375255.

It is an arithmetic number, because the mean of its divisors is an integer number (3752370).

Almost surely, 2^14258987 is an apocalyptic number.

14258987 is a deficient number, since it is larger than the sum of its proper divisors (750493).

14258987 is an equidigital number, since it uses as much as digits as its factorization.

14258987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 750492.

The product of its digits is 161280, while the sum is 44.

The square root of 14258987 is about 3776.1073872442. The cubic root of 14258987 is about 242.4913349368.

The spelling of 14258987 in words is "fourteen million, two hundred fifty-eight thousand, nine hundred eighty-seven".