12536567 has 6 divisors (see below), whose sum is σ = 12780432. Its totient is φ = 12297272.

The previous prime is 12536543. The next prime is 12536597. The reversal of 12536567 is 76563521.

It is not a de Polignac number, because 12536567 - 2¹⁶ = 12471031 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12536507) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 578 + ... + 5040.

It is an arithmetic number, because the mean of its divisors is an integer number (2130072).

Almost surely, 2^12536567 is an apocalyptic number.

12536567 is a deficient number, since it is larger than the sum of its proper divisors (243865).

12536567 is an frugal number, since it uses more digits than its factorization.

12536567 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4569 (or 4516 counting only the distinct ones).

The product of its digits is 37800, while the sum is 35.

The square root of 12536567 is about 3540.7014841695. The cubic root of 12536567 is about 232.3055266689.

The spelling of 12536567 in words is "twelve million, five hundred thirty-six thousand, five hundred sixty-seven".