14366421 has 12 divisors (see below), whose sum is σ = 21654048. Its totient is φ = 9161064.

The previous prime is 14366419. The next prime is 14366437. The reversal of 14366421 is 12466341.

14366421 is a `hidden beast` number, since 14 + 3 + 6 + 642 + 1 = 666.

It is not a de Polignac number, because 14366421 - 2¹ = 14366419 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14366461) 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, 34495 + ... + 34908.

It is an arithmetic number, because the mean of its divisors is an integer number (1804504).

Almost surely, 2^14366421 is an apocalyptic number.

It is an amenable number.

14366421 is a deficient number, since it is larger than the sum of its proper divisors (7287627).

14366421 is a wasteful number, since it uses less digits than its factorization.

14366421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69432 (or 69429 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 14366421 is about 3790.3061881595. The cubic root of 14366421 is about 243.0988268448.

It can be divided in two parts, 143 and 66421, that added together give a square (66564 = 258²).

The spelling of 14366421 in words is "fourteen million, three hundred sixty-six thousand, four hundred twenty-one".