12535769 has 2 divisors, whose sum is σ = 12535770. Its totient is φ = 12535768.

The previous prime is 12535751. The next prime is 12535771. The reversal of 12535769 is 96753521.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9223369 + 3312400 = 3037^2 + 1820^2 .

It is a cyclic number.

It is not a de Polignac number, because 12535769 - 2⁸ = 12535513 is a prime.

It is a super-2 number, since 2×12535769² = 314291008842722, which contains 22 as substring.

Together with 12535771, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (12535969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6267884 + 6267885.

It is an arithmetic number, because the mean of its divisors is an integer number (6267885).

Almost surely, 2^12535769 is an apocalyptic number.

It is an amenable number.

12535769 is a deficient number, since it is larger than the sum of its proper divisors (1).

12535769 is an equidigital number, since it uses as much as digits as its factorization.

12535769 is an evil number, because the sum of its binary digits is even.

The product of its digits is 56700, while the sum is 38.

The square root of 12535769 is about 3540.5887928422. The cubic root of 12535769 is about 232.3005975220.

The spelling of 12535769 in words is "twelve million, five hundred thirty-five thousand, seven hundred sixty-nine".