14123421 has 12 divisors (see below), whose sum is σ = 21969948. Its totient is φ = 8691264.

The previous prime is 14123411. The next prime is 14123437. The reversal of 14123421 is 12432141.

It can be written as a sum of positive squares in 2 ways, for example, as 4575321 + 9548100 = 2139^2 + 3090^2 .

It is not a de Polignac number, because 14123421 - 2⁷ = 14123293 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14123394 and 14123403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14123411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 60240 + ... + 60473.

It is an arithmetic number, because the mean of its divisors is an integer number (1830829).

Almost surely, 2^14123421 is an apocalyptic number.

It is an amenable number.

14123421 is a deficient number, since it is larger than the sum of its proper divisors (7846527).

14123421 is a wasteful number, since it uses less digits than its factorization.

14123421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 120732 (or 120729 counting only the distinct ones).

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

The square root of 14123421 is about 3758.1140216869. The cubic root of 14123421 is about 241.7203985690.

Adding to 14123421 its reverse (12432141), we get a palindrome (26555562).

The spelling of 14123421 in words is "fourteen million, one hundred twenty-three thousand, four hundred twenty-one".