14070421 has 8 divisors (see below), whose sum is σ = 14545944. Its totient is φ = 13601280.

The previous prime is 14070391. The next prime is 14070449. The reversal of 14070421 is 12407041.

It can be written as a sum of positive squares in 4 ways, for example, as 7921 + 14062500 = 89^2 + 3750^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 14070421 - 2⁷ = 14070293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14070461) 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 7 ways as a sum of consecutive naturals, for example, 3115 + ... + 6151.

It is an arithmetic number, because the mean of its divisors is an integer number (1818243).

Almost surely, 2^14070421 is an apocalyptic number.

It is an amenable number.

14070421 is a deficient number, since it is larger than the sum of its proper divisors (475523).

14070421 is a wasteful number, since it uses less digits than its factorization.

14070421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3191.

The product of its (nonzero) digits is 224, while the sum is 19.

The square root of 14070421 is about 3751.0559846529. The cubic root of 14070421 is about 241.4176570016.

Adding to 14070421 its reverse (12407041), we get a palindrome (26477462).

The spelling of 14070421 in words is "fourteen million, seventy thousand, four hundred twenty-one".