12460681 has 2 divisors, whose sum is σ = 12460682. Its totient is φ = 12460680.

The previous prime is 12460661. The next prime is 12460703. The reversal of 12460681 is 18606421.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12250000 + 210681 = 3500^2 + 459^2 .

It is a cyclic number.

It is not a de Polignac number, because 12460681 - 2²³ = 4072073 is a prime.

It is a super-2 number, since 2×12460681² = 310537141967522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12460621) 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, 6230340 + 6230341.

It is an arithmetic number, because the mean of its divisors is an integer number (6230341).

Almost surely, 2^12460681 is an apocalyptic number.

It is an amenable number.

12460681 is a deficient number, since it is larger than the sum of its proper divisors (1).

12460681 is an equidigital number, since it uses as much as digits as its factorization.

12460681 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2304, while the sum is 28.

The square root of 12460681 is about 3529.9689800337. The cubic root of 12460681 is about 231.8358492517.

The spelling of 12460681 in words is "twelve million, four hundred sixty thousand, six hundred eighty-one".