14102621 has 4 divisors (see below), whose sum is σ = 15187452. Its totient is φ = 13017792.

The previous prime is 14102609. The next prime is 14102623. The reversal of 14102621 is 12620141.

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 1243225 + 12859396 = 1115^2 + 3586^2 .

It is a cyclic number.

It is not a de Polignac number, because 14102621 - 2¹⁰ = 14101597 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14102621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14102623) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 542396 + ... + 542421.

It is an arithmetic number, because the mean of its divisors is an integer number (3796863).

Almost surely, 2^14102621 is an apocalyptic number.

It is an amenable number.

14102621 is a deficient number, since it is larger than the sum of its proper divisors (1084831).

14102621 is a wasteful number, since it uses less digits than its factorization.

14102621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1084830.

The product of its (nonzero) digits is 96, while the sum is 17.

The square root of 14102621 is about 3755.3456565275. The cubic root of 14102621 is about 241.6016772266.

Adding to 14102621 its reverse (12620141), we get a palindrome (26722762).

The spelling of 14102621 in words is "fourteen million, one hundred two thousand, six hundred twenty-one".