14303421 has 12 divisors (see below), whose sum is σ = 22538880. Its totient is φ = 8668680.

The previous prime is 14303411. The next prime is 14303461. The reversal of 14303421 is 12430341.

14303421 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 14303421 - 2⁵ = 14303389 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 14303394 and 14303403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14303411) 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, 72141 + ... + 72338.

It is an arithmetic number, because the mean of its divisors is an integer number (1878240).

Almost surely, 2^14303421 is an apocalyptic number.

14303421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14303421 is a deficient number, since it is larger than the sum of its proper divisors (8235459).

14303421 is a wasteful number, since it uses less digits than its factorization.

14303421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144496 (or 144493 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 14303421 is about 3781.9863828417. The cubic root of 14303421 is about 242.7429583999.

Adding to 14303421 its reverse (12430341), we get a palindrome (26733762).

Subtracting from 14303421 its reverse (12430341), we obtain a triangular number (1873080 = T₁₉₃₅).

It can be divided in two parts, 1430 and 3421, that added together give a triangular number (4851 = T₉₈).

The spelling of 14303421 in words is "fourteen million, three hundred three thousand, four hundred twenty-one".