14004387 has 16 divisors (see below), whose sum is σ = 21840000. Its totient is φ = 8844552.

The previous prime is 14004383. The next prime is 14004391. The reversal of 14004387 is 78340041.

14004387 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (14004383) and next prime (14004391).

It is not a de Polignac number, because 14004387 - 2² = 14004383 is a prime.

It is a super-2 number, since 2×14004387² = 392245710491538, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 14004387.

It is not an unprimeable number, because it can be changed into a prime (14004383) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13137 + ... + 14162.

It is an arithmetic number, because the mean of its divisors is an integer number (1365000).

Almost surely, 2^14004387 is an apocalyptic number.

14004387 is a deficient number, since it is larger than the sum of its proper divisors (7835613).

14004387 is a wasteful number, since it uses less digits than its factorization.

14004387 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27327 (or 27321 counting only the distinct ones).

The product of its (nonzero) digits is 2688, while the sum is 27.

The square root of 14004387 is about 3742.2435783898. The cubic root of 14004387 is about 241.0393982982.

The spelling of 14004387 in words is "fourteen million, four thousand, three hundred eighty-seven".