13105408 has 18 divisors (see below), whose sum is σ = 26160134. Its totient is φ = 6552576.

The previous prime is 13105399. The next prime is 13105409. The reversal of 13105408 is 80450131.

It can be written as a sum of positive squares in only one way, i.e., 7573504 + 5531904 = 2752^2 + 2352^2 .

It is not an unprimeable number, because it can be changed into a prime (13105409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 25341 + ... + 25852.

Almost surely, 2^13105408 is an apocalyptic number.

It is an amenable number.

13105408 is a deficient number, since it is larger than the sum of its proper divisors (13054726).

13105408 is an frugal number, since it uses more digits than its factorization.

13105408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 51209 (or 51195 counting only the distinct ones).

The product of its (nonzero) digits is 480, while the sum is 22.

The square root of 13105408 is about 3620.1392238421. The cubic root of 13105408 is about 235.7672703314.

Adding to 13105408 its reverse (80450131), we get a palindrome (93555539).

The spelling of 13105408 in words is "thirteen million, one hundred five thousand, four hundred eight".