14348987 has 4 divisors (see below), whose sum is σ = 14972880. Its totient is φ = 13725096.

The previous prime is 14348981. The next prime is 14348993. The reversal of 14348987 is 78984341.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 78984341 = 397 ⋅198953.

It is an interprime number because it is at equal distance from previous prime (14348981) and next prime (14348993).

It is a cyclic number.

It is not a de Polignac number, because 14348987 - 2⁶ = 14348923 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14348981) 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, 311912 + ... + 311957.

It is an arithmetic number, because the mean of its divisors is an integer number (3743220).

Almost surely, 2^14348987 is an apocalyptic number.

14348987 is a deficient number, since it is larger than the sum of its proper divisors (623893).

14348987 is an equidigital number, since it uses as much as digits as its factorization.

14348987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623892.

The product of its digits is 193536, while the sum is 44.

The square root of 14348987 is about 3788.0056758141. The cubic root of 14348987 is about 243.0004516015. Note that the first 3 decimals are identical.

The spelling of 14348987 in words is "fourteen million, three hundred forty-eight thousand, nine hundred eighty-seven".