13105245 has 32 divisors (see below), whose sum is σ = 22187520. Its totient is φ = 6594560.

The previous prime is 13105217. The next prime is 13105247. The reversal of 13105245 is 54250131.

13105245 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13105245 - 2⁸ = 13104989 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13105247) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 20125 + ... + 20765.

It is an arithmetic number, because the mean of its divisors is an integer number (693360).

Almost surely, 2^13105245 is an apocalyptic number.

13105245 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

13105245 is a deficient number, since it is larger than the sum of its proper divisors (9082275).

13105245 is a wasteful number, since it uses less digits than its factorization.

13105245 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 725.

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

The square root of 13105245 is about 3620.1167108258. The cubic root of 13105245 is about 235.7662928666.

Adding to 13105245 its reverse (54250131), we get a palindrome (67355376).

It can be divided in two parts, 1310 and 5245, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 13105245 in words is "thirteen million, one hundred five thousand, two hundred forty-five".