14121685 has 4 divisors (see below), whose sum is σ = 16946028. Its totient is φ = 11297344.

The previous prime is 14121677. The next prime is 14121689. The reversal of 14121685 is 58612141.

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

It can be written as a sum of positive squares in 2 ways, for example, as 3617604 + 10504081 = 1902^2 + 3241^2 .

It is a cyclic number.

It is not a de Polignac number, because 14121685 - 2³ = 14121677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14121689) 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, 1412164 + ... + 1412173.

It is an arithmetic number, because the mean of its divisors is an integer number (4236507).

Almost surely, 2^14121685 is an apocalyptic number.

It is an amenable number.

14121685 is a deficient number, since it is larger than the sum of its proper divisors (2824343).

14121685 is an equidigital number, since it uses as much as digits as its factorization.

14121685 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2824342.

The product of its digits is 1920, while the sum is 28.

The square root of 14121685 is about 3757.8830476746. The cubic root of 14121685 is about 241.7104943632.

The spelling of 14121685 in words is "fourteen million, one hundred twenty-one thousand, six hundred eighty-five".