14213505 has 16 divisors (see below), whose sum is σ = 23226624. Its totient is φ = 7418880.

The previous prime is 14213489. The next prime is 14213519. The reversal of 14213505 is 50531241.

It is not a de Polignac number, because 14213505 - 2⁴ = 14213489 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9376 + ... + 10785.

It is an arithmetic number, because the mean of its divisors is an integer number (1451664).

Almost surely, 2^14213505 is an apocalyptic number.

14213505 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

14213505 is a deficient number, since it is larger than the sum of its proper divisors (9013119).

14213505 is a wasteful number, since it uses less digits than its factorization.

14213505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20216.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 14213505 is about 3770.0802378729. The cubic root of 14213505 is about 242.2332348315.

Adding to 14213505 its reverse (50531241), we get a palindrome (64744746).

The spelling of 14213505 in words is "fourteen million, two hundred thirteen thousand, five hundred five".