13408308 has 96 divisors (see below), whose sum is σ = 37699200. Its totient is φ = 4105728.

The previous prime is 13408273. The next prime is 13408313. The reversal of 13408308 is 80380431.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 122958 + ... + 123066.

It is an arithmetic number, because the mean of its divisors is an integer number (392700).

Almost surely, 2^13408308 is an apocalyptic number.

13408308 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13408308, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (18849600).

13408308 is an abundant number, since it is smaller than the sum of its proper divisors (24290892).

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

13408308 is a wasteful number, since it uses less digits than its factorization.

13408308 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206 (or 198 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 13408308 is about 3661.7356540307. The cubic root of 13408308 is about 237.5698512915.

Adding to 13408308 its reverse (80380431), we get a palindrome (93788739).

It can be divided in two parts, 13 and 408308, that added together give a square (408321 = 639²).

The spelling of 13408308 in words is "thirteen million, four hundred eight thousand, three hundred eight".