14660421 has 4 divisors (see below), whose sum is σ = 19547232. Its totient is φ = 9773612.

The previous prime is 14660413. The next prime is 14660423. The reversal of 14660421 is 12406641.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 14660421 - 2³ = 14660413 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14660391 and 14660400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14660423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2443401 + ... + 2443406.

It is an arithmetic number, because the mean of its divisors is an integer number (4886808).

Almost surely, 2^14660421 is an apocalyptic number.

It is an amenable number.

14660421 is a deficient number, since it is larger than the sum of its proper divisors (4886811).

14660421 is an equidigital number, since it uses as much as digits as its factorization.

14660421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4886810.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 14660421 is about 3828.8929209368. The cubic root of 14660421 is about 244.7459312590.

The spelling of 14660421 in words is "fourteen million, six hundred sixty thousand, four hundred twenty-one".