13245105 has 16 divisors (see below), whose sum is σ = 21314880. Its totient is φ = 7023168.

The previous prime is 13245077. The next prime is 13245107. The reversal of 13245105 is 50154231.

It is not a de Polignac number, because 13245105 - 2⁷ = 13244977 is a prime.

It is a super-2 number, since 2×13245105² = 350865612922050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13245107) 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 in 15 ways as a sum of consecutive naturals, for example, 219 + ... + 5151.

It is an arithmetic number, because the mean of its divisors is an integer number (1332180).

Almost surely, 2^13245105 is an apocalyptic number.

13245105 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13245105 is a deficient number, since it is larger than the sum of its proper divisors (8069775).

13245105 is a wasteful number, since it uses less digits than its factorization.

13245105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5120.

The product of its (nonzero) digits is 600, while the sum is 21.

The square root of 13245105 is about 3639.3825025683. The cubic root of 13245105 is about 236.6020311049.

Adding to 13245105 its reverse (50154231), we get a palindrome (63399336).

The spelling of 13245105 in words is "thirteen million, two hundred forty-five thousand, one hundred five".