14013421 has 2 divisors, whose sum is σ = 14013422. Its totient is φ = 14013420.

The previous prime is 14013413. The next prime is 14013437. The reversal of 14013421 is 12431041.

It is an a-pointer prime, because the next prime (14013437) can be obtained adding 14013421 to its sum of digits (16).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 11485321 + 2528100 = 3389^2 + 1590^2 .

It is a cyclic number.

It is not a de Polignac number, because 14013421 - 2³ = 14013413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14013395 and 14013404.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14013481) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7006710 + 7006711.

It is an arithmetic number, because the mean of its divisors is an integer number (7006711).

Almost surely, 2^14013421 is an apocalyptic number.

It is an amenable number.

14013421 is a deficient number, since it is larger than the sum of its proper divisors (1).

14013421 is an equidigital number, since it uses as much as digits as its factorization.

14013421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 96, while the sum is 16.

The square root of 14013421 is about 3743.4504137226. The cubic root of 14013421 is about 241.0912173427.

Adding to 14013421 its reverse (12431041), we get a palindrome (26444462).

The spelling of 14013421 in words is "fourteen million, thirteen thousand, four hundred twenty-one".