13144511 has 8 divisors (see below), whose sum is σ = 13689120. Its totient is φ = 12606048.

The previous prime is 13144489. The next prime is 13144513. The reversal of 13144511 is 11544131.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13144511 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13144513) 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 7 ways as a sum of consecutive naturals, for example, 3110 + ... + 5996.

It is an arithmetic number, because the mean of its divisors is an integer number (1711140).

Almost surely, 2^13144511 is an apocalyptic number.

13144511 is a deficient number, since it is larger than the sum of its proper divisors (544609).

13144511 is a wasteful number, since it uses less digits than its factorization.

13144511 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3073.

The product of its digits is 240, while the sum is 20.

The square root of 13144511 is about 3625.5359603788. The cubic root of 13144511 is about 236.0015261320.

Adding to 13144511 its reverse (11544131), we get a palindrome (24688642).

The spelling of 13144511 in words is "thirteen million, one hundred forty-four thousand, five hundred eleven".