13108345 has 4 divisors (see below), whose sum is σ = 15730020. Its totient is φ = 10486672.

The previous prime is 13108327. The next prime is 13108357. The reversal of 13108345 is 54380131.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54380131 = 13 ⋅4183087.

It can be written as a sum of positive squares in 2 ways, for example, as 3523129 + 9585216 = 1877^2 + 3096^2 .

It is a cyclic number.

It is not a de Polignac number, because 13108345 - 2⁵ = 13108313 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1310830 + ... + 1310839.

It is an arithmetic number, because the mean of its divisors is an integer number (3932505).

Almost surely, 2^13108345 is an apocalyptic number.

It is an amenable number.

13108345 is a deficient number, since it is larger than the sum of its proper divisors (2621675).

13108345 is an equidigital number, since it uses as much as digits as its factorization.

13108345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2621674.

The product of its (nonzero) digits is 1440, while the sum is 25.

The square root of 13108345 is about 3620.5448485000. The cubic root of 13108345 is about 235.7848812991.

Adding to 13108345 its reverse (54380131), we get a palindrome (67488476).

The spelling of 13108345 in words is "thirteen million, one hundred eight thousand, three hundred forty-five".