14276421 has 12 divisors (see below), whose sum is σ = 20692672. Its totient is φ = 9484776.

The previous prime is 14276419. The next prime is 14276453. The reversal of 14276421 is 12467241.

14276421 is a `hidden beast` number, since 14 + 2 + 7 + 642 + 1 = 666.

It is not a de Polignac number, because 14276421 - 2¹ = 14276419 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14276411) 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, 180 + ... + 5346.

Almost surely, 2^14276421 is an apocalyptic number.

It is an amenable number.

14276421 is a deficient number, since it is larger than the sum of its proper divisors (6416251).

14276421 is a wasteful number, since it uses less digits than its factorization.

14276421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5480 (or 5477 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 14276421 is about 3778.4151439459. The cubic root of 14276421 is about 242.5901234440.

The spelling of 14276421 in words is "fourteen million, two hundred seventy-six thousand, four hundred twenty-one".