13144319 has 2 divisors, whose sum is σ = 13144320. Its totient is φ = 13144318.

The previous prime is 13144297. The next prime is 13144331. The reversal of 13144319 is 91344131.

It is a strong prime.

It is an emirp because it is prime and its reverse (91344131) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13144319 is a prime.

It is a super-2 number, since 2×13144319² = 345546243947522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13144919) 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 as a sum of consecutive naturals, namely, 6572159 + 6572160.

It is an arithmetic number, because the mean of its divisors is an integer number (6572160).

Almost surely, 2^13144319 is an apocalyptic number.

13144319 is a deficient number, since it is larger than the sum of its proper divisors (1).

13144319 is an equidigital number, since it uses as much as digits as its factorization.

13144319 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1296, while the sum is 26.

The square root of 13144319 is about 3625.5094814384. The cubic root of 13144319 is about 236.0003770462. Note that the first 3 decimals are identical.

The spelling of 13144319 in words is "thirteen million, one hundred forty-four thousand, three hundred nineteen".