12527761 has 2 divisors, whose sum is σ = 12527762. Its totient is φ = 12527760.

The previous prime is 12527747. The next prime is 12527777. The reversal of 12527761 is 16772521.

12527761 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 12383361 + 144400 = 3519^2 + 380^2 .

It is an emirp because it is prime and its reverse (16772521) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12527761 is a prime.

It is not a weakly prime, because it can be changed into another prime (12527731) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6263880 + 6263881.

It is an arithmetic number, because the mean of its divisors is an integer number (6263881).

Almost surely, 2^12527761 is an apocalyptic number.

It is an amenable number.

12527761 is a deficient number, since it is larger than the sum of its proper divisors (1).

12527761 is an equidigital number, since it uses as much as digits as its factorization.

12527761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5880, while the sum is 31.

The square root of 12527761 is about 3539.4577268277. The cubic root of 12527761 is about 232.2511215133.

The spelling of 12527761 in words is "twelve million, five hundred twenty-seven thousand, seven hundred sixty-one".