13123308 has 48 divisors (see below), whose sum is σ = 34320384. Its totient is φ = 3867840.

The previous prime is 13123307. The next prime is 13123339. The reversal of 13123308 is 80332131.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (13123301) 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 15 ways as a sum of consecutive naturals, for example, 3541 + ... + 6227.

It is an arithmetic number, because the mean of its divisors is an integer number (715008).

Almost surely, 2^13123308 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13123308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17160192).

13123308 is an abundant number, since it is smaller than the sum of its proper divisors (21197076).

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

13123308 is a wasteful number, since it uses less digits than its factorization.

13123308 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2742 (or 2740 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 21.

The square root of 13123308 is about 3622.6106608356. The cubic root of 13123308 is about 235.8745622777.

Adding to 13123308 its reverse (80332131), we get a palindrome (93455439).

It can be divided in two parts, 13123 and 308, that added together give a palindrome (13431).

The spelling of 13123308 in words is "thirteen million, one hundred twenty-three thousand, three hundred eight".