13165338 has 16 divisors (see below), whose sum is σ = 27475776. Its totient is φ = 4197600.

The previous prime is 13165337. The next prime is 13165351. The reversal of 13165338 is 83356131.

It is a super-2 number, since 2×13165338² = 346652249308488, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13165337) 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 7 ways as a sum of consecutive naturals, for example, 47563 + ... + 47838.

It is an arithmetic number, because the mean of its divisors is an integer number (1717236).

Almost surely, 2^13165338 is an apocalyptic number.

13165338 is an abundant number, since it is smaller than the sum of its proper divisors (14310438).

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

13165338 is a wasteful number, since it uses less digits than its factorization.

13165338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95429.

The product of its digits is 6480, while the sum is 30.

The square root of 13165338 is about 3628.4070885169. The cubic root of 13165338 is about 236.1261056385.

The spelling of 13165338 in words is "thirteen million, one hundred sixty-five thousand, three hundred thirty-eight".