13138323 has 16 divisors (see below), whose sum is σ = 19180800. Its totient is φ = 7933280.

The previous prime is 13138309. The next prime is 13138339. The reversal of 13138323 is 32383131.

13138323 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13138323 - 2⁶ = 13138259 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13138293 and 13138302.

It is not an unprimeable number, because it can be changed into a prime (13138303) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11293 + ... + 12401.

It is an arithmetic number, because the mean of its divisors is an integer number (1198800).

Almost surely, 2^13138323 is an apocalyptic number.

13138323 is a deficient number, since it is larger than the sum of its proper divisors (6042477).

13138323 is a wasteful number, since it uses less digits than its factorization.

13138323 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1482.

The product of its digits is 1296, while the sum is 24.

The square root of 13138323 is about 3624.6824688516. The cubic root of 13138323 is about 235.9644864210.

The spelling of 13138323 in words is "thirteen million, one hundred thirty-eight thousand, three hundred twenty-three".