12724567 has 2 divisors, whose sum is σ = 12724568. Its totient is φ = 12724566.

The previous prime is 12724561. The next prime is 12724583. The reversal of 12724567 is 76542721.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 12724567 - 2²³ = 4335959 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12724561) 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, 6362283 + 6362284.

It is an arithmetic number, because the mean of its divisors is an integer number (6362284).

Almost surely, 2^12724567 is an apocalyptic number.

12724567 is a deficient number, since it is larger than the sum of its proper divisors (1).

12724567 is an equidigital number, since it uses as much as digits as its factorization.

12724567 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23520, while the sum is 34.

The square root of 12724567 is about 3567.1511041726. The cubic root of 12724567 is about 233.4609979381.

The spelling of 12724567 in words is "twelve million, seven hundred twenty-four thousand, five hundred sixty-seven".