13214443 has 16 divisors (see below), whose sum is σ = 15840000. Its totient is φ = 10882080.

The previous prime is 13214429. The next prime is 13214447. The reversal of 13214443 is 34441231.

It is a de Polignac number, because none of the positive numbers 2^k-13214443 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13214447) 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 15 ways as a sum of consecutive naturals, for example, 3433 + ... + 6181.

It is an arithmetic number, because the mean of its divisors is an integer number (990000).

Almost surely, 2^13214443 is an apocalyptic number.

13214443 is a deficient number, since it is larger than the sum of its proper divisors (2625557).

13214443 is a wasteful number, since it uses less digits than its factorization.

13214443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2802.

The product of its digits is 1152, while the sum is 22.

The square root of 13214443 is about 3635.1675339659. The cubic root of 13214443 is about 236.4193146267.

Adding to 13214443 its reverse (34441231), we get a palindrome (47655674).

The spelling of 13214443 in words is "thirteen million, two hundred fourteen thousand, four hundred forty-three".