14392987 has 4 divisors (see below), whose sum is σ = 16449136. Its totient is φ = 12336840.

The previous prime is 14392981. The next prime is 14393059. The reversal of 14392987 is 78929341.

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 14392987 - 2³ = 14392979 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14392981) 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, 1028064 + ... + 1028077.

It is an arithmetic number, because the mean of its divisors is an integer number (4112284).

Almost surely, 2^14392987 is an apocalyptic number.

14392987 is a deficient number, since it is larger than the sum of its proper divisors (2056149).

14392987 is an equidigital number, since it uses as much as digits as its factorization.

14392987 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2056148.

The product of its digits is 108864, while the sum is 43.

The square root of 14392987 is about 3793.8090357845. The cubic root of 14392987 is about 243.2485785184.

The spelling of 14392987 in words is "fourteen million, three hundred ninety-two thousand, nine hundred eighty-seven".