14856421 has 4 divisors (see below), whose sum is σ = 14896000. Its totient is φ = 14816844.

The previous prime is 14856407. The next prime is 14856427. The reversal of 14856421 is 12465841.

14856421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, and also an emirpimes, since its reverse is a distinct semiprime: 12465841 = 643 ⋅19387.

It is a cyclic number.

It is not a de Polignac number, because 14856421 - 2⁵ = 14856389 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 (14856427) 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, 19221 + ... + 19978.

It is an arithmetic number, because the mean of its divisors is an integer number (3724000).

Almost surely, 2^14856421 is an apocalyptic number.

It is an amenable number.

14856421 is a deficient number, since it is larger than the sum of its proper divisors (39579).

14856421 is an equidigital number, since it uses as much as digits as its factorization.

14856421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39578.

The product of its digits is 7680, while the sum is 31.

The square root of 14856421 is about 3854.4028071804. The cubic root of 14856421 is about 245.8318027547.

The spelling of 14856421 in words is "fourteen million, eight hundred fifty-six thousand, four hundred twenty-one".