13144516 has 24 divisors (see below), whose sum is σ = 28679616. Its totient is φ = 5121120.

The previous prime is 13144513. The next prime is 13144531. The reversal of 13144516 is 61544131.

13144516 is nontrivially palindromic in base 12.

It is not an unprimeable number, because it can be changed into a prime (13144513) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21031 + ... + 21646.

It is an arithmetic number, because the mean of its divisors is an integer number (1194984).

Almost surely, 2^13144516 is an apocalyptic number.

It is an amenable number.

13144516 is an abundant number, since it is smaller than the sum of its proper divisors (15535100).

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

13144516 is a wasteful number, since it uses less digits than its factorization.

13144516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42699 (or 42697 counting only the distinct ones).

The product of its digits is 1440, while the sum is 25.

The square root of 13144516 is about 3625.5366499320. The cubic root of 13144516 is about 236.0015560560.

Adding to 13144516 its reverse (61544131), we get a palindrome (74688647).

The spelling of 13144516 in words is "thirteen million, one hundred forty-four thousand, five hundred sixteen".