13144302 has 32 divisors (see below), whose sum is σ = 29836800. Its totient is φ = 4287384.

The previous prime is 13144297. The next prime is 13144319. The reversal of 13144302 is 20344131.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 52 + ... + 5127.

It is an arithmetic number, because the mean of its divisors is an integer number (932400).

Almost surely, 2^13144302 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13144302, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14918400).

13144302 is an abundant number, since it is smaller than the sum of its proper divisors (16692498).

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

13144302 is a wasteful number, since it uses less digits than its factorization.

13144302 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5237 (or 5231 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 13144302 is about 3625.5071369396. The cubic root of 13144302 is about 236.0002753037. Note that the first 3 decimals are identical.

Adding to 13144302 its reverse (20344131), we get a palindrome (33488433).

The spelling of 13144302 in words is "thirteen million, one hundred forty-four thousand, three hundred two".