13144328 has 32 divisors (see below), whose sum is σ = 25336800. Its totient is φ = 6390912.

The previous prime is 13144319. The next prime is 13144331. The reversal of 13144328 is 82344131.

It is a junction number, because it is equal to n+sod(n) for n = 13144297 and 13144306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 73343 + ... + 73521.

It is an arithmetic number, because the mean of its divisors is an integer number (791775).

Almost surely, 2^13144328 is an apocalyptic number.

It is an amenable number.

13144328 is a deficient number, since it is larger than the sum of its proper divisors (12192472).

13144328 is a wasteful number, since it uses less digits than its factorization.

13144328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 389 (or 385 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 13144328 is about 3625.5107226431. The cubic root of 13144328 is about 236.0004309099. Note that the first 3 decimals are identical.

Adding to 13144328 its reverse (82344131), we get a palindrome (95488459).

The spelling of 13144328 in words is "thirteen million, one hundred forty-four thousand, three hundred twenty-eight".