12610681 has 2 divisors, whose sum is σ = 12610682. Its totient is φ = 12610680.

The previous prime is 12610669. The next prime is 12610721. The reversal of 12610681 is 18601621.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 7507600 + 5103081 = 2740^2 + 2259^2 .

It is a cyclic number.

It is not a de Polignac number, because 12610681 - 2⁵ = 12610649 is a prime.

It is a super-2 number, since 2×12610681² = 318058550567522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12610181) 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 as a sum of consecutive naturals, namely, 6305340 + 6305341.

It is an arithmetic number, because the mean of its divisors is an integer number (6305341).

Almost surely, 2^12610681 is an apocalyptic number.

It is an amenable number.

12610681 is a deficient number, since it is larger than the sum of its proper divisors (1).

12610681 is an equidigital number, since it uses as much as digits as its factorization.

12610681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 576, while the sum is 25.

The square root of 12610681 is about 3551.1520665835. The cubic root of 12610681 is about 232.7624107757.

The spelling of 12610681 in words is "twelve million, six hundred ten thousand, six hundred eighty-one".