13195857 has 8 divisors (see below), whose sum is σ = 17611776. Its totient is φ = 8788592.

The previous prime is 13195849. The next prime is 13195873. The reversal of 13195857 is 75859131.

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 13195857 - 2³ = 13195849 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13195817) 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 7 ways as a sum of consecutive naturals, for example, 3568 + ... + 6254.

It is an arithmetic number, because the mean of its divisors is an integer number (2201472).

Almost surely, 2^13195857 is an apocalyptic number.

It is an amenable number.

13195857 is a deficient number, since it is larger than the sum of its proper divisors (4415919).

13195857 is a wasteful number, since it uses less digits than its factorization.

13195857 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4327.

The product of its digits is 37800, while the sum is 39.

The square root of 13195857 is about 3632.6102185619. The cubic root of 13195857 is about 236.3084220456.

The spelling of 13195857 in words is "thirteen million, one hundred ninety-five thousand, eight hundred fifty-seven".