13138583 has 4 divisors (see below), whose sum is σ = 13170360. Its totient is φ = 13106808.

The previous prime is 13138579. The next prime is 13138591. The reversal of 13138583 is 38583131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 38583131 = 83 ⋅464857.

It is a cyclic number.

It is not a de Polignac number, because 13138583 - 2² = 13138579 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13138523) 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 3 ways as a sum of consecutive naturals, for example, 15260 + ... + 16097.

It is an arithmetic number, because the mean of its divisors is an integer number (3292590).

Almost surely, 2^13138583 is an apocalyptic number.

13138583 is a deficient number, since it is larger than the sum of its proper divisors (31777).

13138583 is an equidigital number, since it uses as much as digits as its factorization.

13138583 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31776.

The product of its digits is 8640, while the sum is 32.

The square root of 13138583 is about 3624.7183338847. The cubic root of 13138583 is about 235.9660429454.

The spelling of 13138583 in words is "thirteen million, one hundred thirty-eight thousand, five hundred eighty-three".