13144338 has 24 divisors (see below), whose sum is σ = 28546128. Its totient is φ = 4371192.

The previous prime is 13144331. The next prime is 13144343. The reversal of 13144338 is 83344131.

It is not an unprimeable number, because it can be changed into a prime (13144331) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14445 + ... + 15327.

It is an arithmetic number, because the mean of its divisors is an integer number (1189422).

Almost surely, 2^13144338 is an apocalyptic number.

13144338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13144338 is an abundant number, since it is smaller than the sum of its proper divisors (15401790).

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

13144338 is a wasteful number, since it uses less digits than its factorization.

13144338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1718 (or 1715 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 13144338 is about 3625.5121017589. The cubic root of 13144338 is about 236.0004907583. Note that the first 3 decimals are identical.

Adding to 13144338 its reverse (83344131), we get a palindrome (96488469).

The spelling of 13144338 in words is "thirteen million, one hundred forty-four thousand, three hundred thirty-eight".