12710161 has 4 divisors (see below), whose sum is σ = 12724452. Its totient is φ = 12695872.

The previous prime is 12710153. The next prime is 12710177. The reversal of 12710161 is 16101721.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4410000 + 8300161 = 2100^2 + 2881^2 .

It is a cyclic number.

It is not a de Polignac number, because 12710161 - 2³ = 12710153 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12710461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5716 + ... + 7621.

It is an arithmetic number, because the mean of its divisors is an integer number (3181113).

Almost surely, 2^12710161 is an apocalyptic number.

12710161 is the 1906-th nonagonal number.

It is an amenable number.

12710161 is a deficient number, since it is larger than the sum of its proper divisors (14291).

12710161 is an equidigital number, since it uses as much as digits as its factorization.

12710161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14290.

The product of its (nonzero) digits is 84, while the sum is 19.

The square root of 12710161 is about 3565.1312738804. The cubic root of 12710161 is about 233.3728611039.

Adding to 12710161 its reverse (16101721), we get a palindrome (28811882).

The spelling of 12710161 in words is "twelve million, seven hundred ten thousand, one hundred sixty-one".