13105057 has 16 divisors (see below), whose sum is σ = 15570432. Its totient is φ = 10797120.

The previous prime is 13105051. The next prime is 13105091. The reversal of 13105057 is 75050131.

It is a cyclic number.

It is not a de Polignac number, because 13105057 - 2³ = 13105049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13105051) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 19743 + ... + 20395.

It is an arithmetic number, because the mean of its divisors is an integer number (973152).

Almost surely, 2^13105057 is an apocalyptic number.

It is an amenable number.

13105057 is a deficient number, since it is larger than the sum of its proper divisors (2465375).

13105057 is an equidigital number, since it uses as much as digits as its factorization.

13105057 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 768.

The product of its (nonzero) digits is 525, while the sum is 22.

The square root of 13105057 is about 3620.0907447190. The cubic root of 13105057 is about 235.7651654738.

Adding to 13105057 its reverse (75050131), we get a palindrome (88155188).

The spelling of 13105057 in words is "thirteen million, one hundred five thousand, fifty-seven".