14042621 has 2 divisors, whose sum is σ = 14042622. Its totient is φ = 14042620.

The previous prime is 14042617. The next prime is 14042669. The reversal of 14042621 is 12624041.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13980121 + 62500 = 3739^2 + 250^2 .

It is a cyclic number.

It is not a de Polignac number, because 14042621 - 2² = 14042617 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14042593 and 14042602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14042671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7021310 + 7021311.

It is an arithmetic number, because the mean of its divisors is an integer number (7021311).

Almost surely, 2^14042621 is an apocalyptic number.

It is an amenable number.

14042621 is a deficient number, since it is larger than the sum of its proper divisors (1).

14042621 is an equidigital number, since it uses as much as digits as its factorization.

14042621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 384, while the sum is 20.

The square root of 14042621 is about 3747.3485292937. The cubic root of 14042621 is about 241.2585564363.

Adding to 14042621 its reverse (12624041), we get a palindrome (26666662).

The spelling of 14042621 in words is "fourteen million, forty-two thousand, six hundred twenty-one".