14315421 has 12 divisors (see below), whose sum is σ = 19394592. Its totient is φ = 9392328.

The previous prime is 14315393. The next prime is 14315443. The reversal of 14315421 is 12451341.

It is not a de Polignac number, because 14315421 - 2¹⁹ = 13791133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14315461) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12936 + ... + 13998.

It is an arithmetic number, because the mean of its divisors is an integer number (1616216).

Almost surely, 2^14315421 is an apocalyptic number.

It is an amenable number.

14315421 is a deficient number, since it is larger than the sum of its proper divisors (5079171).

14315421 is an equidigital number, since it uses as much as digits as its factorization.

14315421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1200 (or 1133 counting only the distinct ones).

The product of its digits is 480, while the sum is 21.

The square root of 14315421 is about 3783.5725181368. The cubic root of 14315421 is about 242.8108233131.

Adding to 14315421 its reverse (12451341), we get a palindrome (26766762).

The spelling of 14315421 in words is "fourteen million, three hundred fifteen thousand, four hundred twenty-one".