13180857 has 8 divisors (see below), whose sum is σ = 17604384. Its totient is φ = 8772288.

The previous prime is 13180847. The next prime is 13180873. The reversal of 13180857 is 75808131.

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

It is not a de Polignac number, because 13180857 - 2⁴ = 13180841 is a prime.

It is a plaindrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (13180837) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1488 + ... + 5345.

It is an arithmetic number, because the mean of its divisors is an integer number (2200548).

Almost surely, 2^13180857 is an apocalyptic number.

It is an amenable number.

13180857 is a deficient number, since it is larger than the sum of its proper divisors (4423527).

13180857 is an equidigital number, since it uses as much as digits as its factorization.

13180857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7479.

The product of its (nonzero) digits is 6720, while the sum is 33.

The square root of 13180857 is about 3630.5450004097. The cubic root of 13180857 is about 236.2188492284.

Adding to 13180857 its reverse (75808131), we get a palindrome (88988988).

The spelling of 13180857 in words is "thirteen million, one hundred eighty thousand, eight hundred fifty-seven".