14162421 has 24 divisors (see below), whose sum is σ = 23659104. Its totient is φ = 7469280.

The previous prime is 14162417. The next prime is 14162461. The reversal of 14162421 is 12426141.

It is a happy number.

It is not a de Polignac number, because 14162421 - 2² = 14162417 is a prime.

It is a super-3 number, since 3×14162421³ (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14162461) 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 23 ways as a sum of consecutive naturals, for example, 1795 + ... + 5616.

It is an arithmetic number, because the mean of its divisors is an integer number (985796).

Almost surely, 2^14162421 is an apocalyptic number.

It is an amenable number.

14162421 is a deficient number, since it is larger than the sum of its proper divisors (9496683).

14162421 is a wasteful number, since it uses less digits than its factorization.

14162421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7441 (or 7434 counting only the distinct ones).

The product of its digits is 384, while the sum is 21.

The square root of 14162421 is about 3763.2992174421. The cubic root of 14162421 is about 241.9426872906.

Adding to 14162421 its reverse (12426141), we get a palindrome (26588562).

The spelling of 14162421 in words is "fourteen million, one hundred sixty-two thousand, four hundred twenty-one".