14255021 has 8 divisors (see below), whose sum is σ = 15621600. Its totient is φ = 12900240.

The previous prime is 14255011. The next prime is 14255069. The reversal of 14255021 is 12055241.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 14255021 - 2⁶ = 14254957 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 14254984 and 14255002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14255011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 311 + ... + 5348.

It is an arithmetic number, because the mean of its divisors is an integer number (1952700).

Almost surely, 2^14255021 is an apocalyptic number.

14255021 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14255021 is a deficient number, since it is larger than the sum of its proper divisors (1366579).

14255021 is a wasteful number, since it uses less digits than its factorization.

14255021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5899.

The product of its (nonzero) digits is 400, while the sum is 20.

The square root of 14255021 is about 3775.5822067596. The cubic root of 14255021 is about 242.4688506417.

It can be divided in two parts, 1425 and 5021, that added together give a palindrome (6446).

The spelling of 14255021 in words is "fourteen million, two hundred fifty-five thousand, twenty-one".