14626621 has 2 divisors, whose sum is σ = 14626622. Its totient is φ = 14626620.

The previous prime is 14626609. The next prime is 14626657. The reversal of 14626621 is 12662641.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 9272025 + 5354596 = 3045^2 + 2314^2 .

It is an emirp because it is prime and its reverse (12662641) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14626621 - 2¹⁷ = 14495549 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 14626621.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14627621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7313310 + 7313311.

It is an arithmetic number, because the mean of its divisors is an integer number (7313311).

Almost surely, 2^14626621 is an apocalyptic number.

It is an amenable number.

14626621 is a deficient number, since it is larger than the sum of its proper divisors (1).

14626621 is an equidigital number, since it uses as much as digits as its factorization.

14626621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3456, while the sum is 28.

The square root of 14626621 is about 3824.4765654923. The cubic root of 14626621 is about 244.5576970545.

The spelling of 14626621 in words is "fourteen million, six hundred twenty-six thousand, six hundred twenty-one".