13107857 has 8 divisors (see below), whose sum is σ = 15080832. Its totient is φ = 11160000.

The previous prime is 13107847. The next prime is 13107893. The reversal of 13107857 is 75870131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13107857 - 2⁶ = 13107793 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13107817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5144 + ... + 7257.

It is an arithmetic number, because the mean of its divisors is an integer number (1885104).

Almost surely, 2^13107857 is an apocalyptic number.

It is an amenable number.

13107857 is a deficient number, since it is larger than the sum of its proper divisors (1972975).

13107857 is a wasteful number, since it uses less digits than its factorization.

13107857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12559.

The product of its (nonzero) digits is 5880, while the sum is 32.

The square root of 13107857 is about 3620.4774547012. The cubic root of 13107857 is about 235.7819553144.

Adding to 13107857 its reverse (75870131), we get a palindrome (88977988).

The spelling of 13107857 in words is "thirteen million, one hundred seven thousand, eight hundred fifty-seven".