13138334 has 16 divisors (see below), whose sum is σ = 22241520. Its totient is φ = 5765760.

The previous prime is 13138309. The next prime is 13138339. The reversal of 13138334 is 43383131.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13138339) 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 in 7 ways as a sum of consecutive naturals, for example, 9659 + ... + 10934.

It is an arithmetic number, because the mean of its divisors is an integer number (1390095).

Almost surely, 2^13138334 is an apocalyptic number.

13138334 is a deficient number, since it is larger than the sum of its proper divisors (9103186).

13138334 is a wasteful number, since it uses less digits than its factorization.

13138334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20635.

The product of its digits is 2592, while the sum is 26.

The square root of 13138334 is about 3624.6839862256. The cubic root of 13138334 is about 235.9645522743.

The spelling of 13138334 in words is "thirteen million, one hundred thirty-eight thousand, three hundred thirty-four".