14251421 has 8 divisors (see below), whose sum is σ = 14935104. Its totient is φ = 13573120.

The previous prime is 14251411. The next prime is 14251451. The reversal of 14251421 is 12415241.

It is a happy number.

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 14251421 - 2¹⁴ = 14235037 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 14251393 and 14251402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14251411) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4706 + ... + 7116.

It is an arithmetic number, because the mean of its divisors is an integer number (1866888).

Almost surely, 2^14251421 is an apocalyptic number.

It is an amenable number.

14251421 is a deficient number, since it is larger than the sum of its proper divisors (683683).

14251421 is a wasteful number, since it uses less digits than its factorization.

14251421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2691.

The product of its digits is 320, while the sum is 20.

The square root of 14251421 is about 3775.1054289914. The cubic root of 14251421 is about 242.4484376856.

Adding to 14251421 its reverse (12415241), we get a palindrome (26666662).

The spelling of 14251421 in words is "fourteen million, two hundred fifty-one thousand, four hundred twenty-one".