13144299 has 12 divisors (see below), whose sum is σ = 20387304. Its totient is φ = 7510944.

The previous prime is 13144297. The next prime is 13144319. The reversal of 13144299 is 99244131.

It is not a de Polignac number, because 13144299 - 2¹ = 13144297 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13144291) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 44562 + ... + 44855.

It is an arithmetic number, because the mean of its divisors is an integer number (1698942).

Almost surely, 2^13144299 is an apocalyptic number.

13144299 is a deficient number, since it is larger than the sum of its proper divisors (7243005).

13144299 is an equidigital number, since it uses as much as digits as its factorization.

13144299 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89434 (or 89427 counting only the distinct ones).

The product of its digits is 7776, while the sum is 33.

The square root of 13144299 is about 3625.5067232044. The cubic root of 13144299 is about 236.0002573491. Note that the first 3 decimals are identical.

The spelling of 13144299 in words is "thirteen million, one hundred forty-four thousand, two hundred ninety-nine".