14421687 has 16 divisors (see below), whose sum is σ = 22256640. Its totient is φ = 8135712.

The previous prime is 14421679. The next prime is 14421697. The reversal of 14421687 is 78612441.

It is not a de Polignac number, because 14421687 - 2³ = 14421679 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14421647) 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, 2688 + ... + 6005.

It is an arithmetic number, because the mean of its divisors is an integer number (1391040).

Almost surely, 2^14421687 is an apocalyptic number.

14421687 is a deficient number, since it is larger than the sum of its proper divisors (7834953).

14421687 is an equidigital number, since it uses as much as digits as its factorization.

14421687 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8782.

The product of its digits is 10752, while the sum is 33.

The square root of 14421687 is about 3797.5896302787. The cubic root of 14421687 is about 243.4101525563.

The spelling of 14421687 in words is "fourteen million, four hundred twenty-one thousand, six hundred eighty-seven".