14465421 has 12 divisors (see below), whose sum is σ = 20946172. Its totient is φ = 9619776.

The previous prime is 14465401. The next prime is 14465431. The reversal of 14465421 is 12456441.

14465421 is a `hidden beast` number, since 1 + 4 + 4 + 654 + 2 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13286025 + 1179396 = 3645^2 + 1086^2 .

It is not a de Polignac number, because 14465421 - 2¹⁰ = 14464397 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 (14465401) 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, 2355 + ... + 5871.

Almost surely, 2^14465421 is an apocalyptic number.

It is an amenable number.

14465421 is a deficient number, since it is larger than the sum of its proper divisors (6480751).

14465421 is a wasteful number, since it uses less digits than its factorization.

14465421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3980 (or 3977 counting only the distinct ones).

The product of its digits is 3840, while the sum is 27.

The square root of 14465421 is about 3803.3433975911. The cubic root of 14465421 is about 243.6559526725.

The spelling of 14465421 in words is "fourteen million, four hundred sixty-five thousand, four hundred twenty-one".