14231421 has 12 divisors (see below), whose sum is σ = 21112572. Its totient is φ = 9230976.

The previous prime is 14231419. The next prime is 14231467. The reversal of 14231421 is 12413241.

14231421 is a `hidden beast` number, since 14 + 231 + 421 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 11655396 + 2576025 = 3414^2 + 1605^2 .

It is not a de Polignac number, because 14231421 - 2¹ = 14231419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14231394 and 14231403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14231491) 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, 21036 + ... + 21701.

It is an arithmetic number, because the mean of its divisors is an integer number (1759381).

Almost surely, 2^14231421 is an apocalyptic number.

It is an amenable number.

14231421 is a deficient number, since it is larger than the sum of its proper divisors (6881151).

14231421 is a wasteful number, since it uses less digits than its factorization.

14231421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42780 (or 42777 counting only the distinct ones).

The product of its digits is 192, while the sum is 18.

The square root of 14231421 is about 3772.4555663387. The cubic root of 14231421 is about 242.3349697299.

Adding to 14231421 its reverse (12413241), we get a palindrome (26644662).

The spelling of 14231421 in words is "fourteen million, two hundred thirty-one thousand, four hundred twenty-one".