13144005 has 48 divisors (see below), whose sum is σ = 27195840. Its totient is φ = 6005664.

The previous prime is 13143997. The next prime is 13144007. The reversal of 13144005 is 50044131.

It is a happy number.

13144005 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13144005 - 2³ = 13143997 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13144007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5622 + ... + 7608.

It is an arithmetic number, because the mean of its divisors is an integer number (566580).

Almost surely, 2^13144005 is an apocalyptic number.

13144005 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13144005 is an abundant number, since it is smaller than the sum of its proper divisors (14051835).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13144005 is a wasteful number, since it uses less digits than its factorization.

13144005 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2015 (or 2002 counting only the distinct ones).

The product of its (nonzero) digits is 240, while the sum is 18.

The square root of 13144005 is about 3625.4661769213. The cubic root of 13144005 is about 235.9984977880.

Adding to 13144005 its reverse (50044131), we get a palindrome (63188136).

The spelling of 13144005 in words is "thirteen million, one hundred forty-four thousand, five".