14314421 has 12 divisors (see below), whose sum is σ = 15827532. Its totient is φ = 12936000.

The previous prime is 14314379. The next prime is 14314457. The reversal of 14314421 is 12441341.

It can be written as a sum of positive squares in 2 ways, for example, as 3496900 + 10817521 = 1870^2 + 3289^2 .

It is a de Polignac number, because none of the positive numbers 2^k-14314421 is a prime.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

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 = 14314393 and 14314402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14314481) 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, 33791 + ... + 34211.

It is an arithmetic number, because the mean of its divisors is an integer number (1318961).

Almost surely, 2^14314421 is an apocalyptic number.

14314421 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14314421 is a deficient number, since it is larger than the sum of its proper divisors (1513111).

14314421 is a wasteful number, since it uses less digits than its factorization.

14314421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 724 (or 713 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 14314421 is about 3783.4403655932. The cubic root of 14314421 is about 242.8051693526.

Adding to 14314421 its reverse (12441341), we get a palindrome (26755762).

Subtracting from 14314421 its reverse (12441341), we obtain a triangular number (1873080 = T₁₉₃₅).

The spelling of 14314421 in words is "fourteen million, three hundred fourteen thousand, four hundred twenty-one".