14121605 has 8 divisors (see below), whose sum is σ = 17404152. Its totient is φ = 10991808.

The previous prime is 14121581. The next prime is 14121623. The reversal of 14121605 is 50612141.

It can be written as a sum of positive squares in 4 ways, for example, as 2163841 + 11957764 = 1471^2 + 3458^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14121605 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37982 + ... + 38351.

It is an arithmetic number, because the mean of its divisors is an integer number (2175519).

Almost surely, 2^14121605 is an apocalyptic number.

It is an amenable number.

14121605 is a deficient number, since it is larger than the sum of its proper divisors (3282547).

14121605 is an equidigital number, since it uses as much as digits as its factorization.

14121605 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76375.

The product of its (nonzero) digits is 240, while the sum is 20.

The square root of 14121605 is about 3757.8724033687. The cubic root of 14121605 is about 241.7100379286.

Adding to 14121605 its reverse (50612141), we get a palindrome (64733746).

The spelling of 14121605 in words is "fourteen million, one hundred twenty-one thousand, six hundred five".