13090338 has 12 divisors (see below), whose sum is σ = 28362438. Its totient is φ = 4363440.

The previous prime is 13090333. The next prime is 13090349. The reversal of 13090338 is 83309031.

It can be written as a sum of positive squares in only one way, i.e., 9529569 + 3560769 = 3087^2 + 1887^2 .

It is not an unprimeable number, because it can be changed into a prime (13090331) 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 5 ways as a sum of consecutive naturals, for example, 363603 + ... + 363638.

Almost surely, 2^13090338 is an apocalyptic number.

13090338 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

13090338 is an abundant number, since it is smaller than the sum of its proper divisors (15272100).

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

13090338 is a wasteful number, since it uses less digits than its factorization.

13090338 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 727249 (or 727246 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 27.

The square root of 13090338 is about 3618.0572134780. The cubic root of 13090338 is about 235.6768655277.

Adding to 13090338 its reverse (83309031), we get a palindrome (96399369).

The spelling of 13090338 in words is "thirteen million, ninety thousand, three hundred thirty-eight".