13144443 has 32 divisors (see below), whose sum is σ = 19740672. Its totient is φ = 7728000.

The previous prime is 13144423. The next prime is 13144459. The reversal of 13144443 is 34444131.

13144443 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13144443 - 2¹³ = 13136251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13144423) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 130093 + ... + 130193.

It is an arithmetic number, because the mean of its divisors is an integer number (616896).

Almost surely, 2^13144443 is an apocalyptic number.

13144443 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

13144443 is a deficient number, since it is larger than the sum of its proper divisors (6596229).

13144443 is a wasteful number, since it uses less digits than its factorization.

13144443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235.

The product of its digits is 2304, while the sum is 24.

The square root of 13144443 is about 3625.5265824429. The cubic root of 13144443 is about 236.0011191654.

Adding to 13144443 its reverse (34444131), we get a palindrome (47588574).

The spelling of 13144443 in words is "thirteen million, one hundred forty-four thousand, four hundred forty-three".