14058421 has 4 divisors (see below), whose sum is σ = 15139852. Its totient is φ = 12976992.

The previous prime is 14058403. The next prime is 14058427. The reversal of 14058421 is 12485041.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 12485041 = 1237 ⋅10093.

It can be written as a sum of positive squares in 2 ways, for example, as 5712100 + 8346321 = 2390^2 + 2889^2 .

It is a cyclic number.

It is not a de Polignac number, because 14058421 - 2⁵ = 14058389 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14058427) 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, 540696 + ... + 540721.

It is an arithmetic number, because the mean of its divisors is an integer number (3784963).

Almost surely, 2^14058421 is an apocalyptic number.

It is an amenable number.

14058421 is a deficient number, since it is larger than the sum of its proper divisors (1081431).

14058421 is a wasteful number, since it uses less digits than its factorization.

14058421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081430.

The product of its (nonzero) digits is 1280, while the sum is 25.

The square root of 14058421 is about 3749.4560938888. The cubic root of 14058421 is about 241.3490062282.

The spelling of 14058421 in words is "fourteen million, fifty-eight thousand, four hundred twenty-one".