14505021 has 16 divisors (see below), whose sum is σ = 22014720. Its totient is φ = 9433440.

The previous prime is 14504983. The next prime is 14505047. The reversal of 14505021 is 12050541.

It is not a de Polignac number, because 14505021 - 2¹⁴ = 14488637 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 14504985 and 14505003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14505121) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5445 + ... + 7658.

It is an arithmetic number, because the mean of its divisors is an integer number (1375920).

Almost surely, 2^14505021 is an apocalyptic number.

It is an amenable number.

14505021 is a deficient number, since it is larger than the sum of its proper divisors (7509699).

14505021 is a wasteful number, since it uses less digits than its factorization.

14505021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13153 (or 13147 counting only the distinct ones).

The product of its (nonzero) digits is 200, while the sum is 18.

The square root of 14505021 is about 3808.5457854672. The cubic root of 14505021 is about 243.8780912558.

Adding to 14505021 its reverse (12050541), we get a palindrome (26555562).

The spelling of 14505021 in words is "fourteen million, five hundred five thousand, twenty-one".