12536545 has 16 divisors (see below), whose sum is σ = 17561088. Its totient is φ = 8412480.

The previous prime is 12536543. The next prime is 12536597. The reversal of 12536545 is 54563521.

It is not a de Polignac number, because 12536545 - 2¹ = 12536543 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12536543) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2166 + ... + 5455.

It is an arithmetic number, because the mean of its divisors is an integer number (1097568).

Almost surely, 2^12536545 is an apocalyptic number.

It is an amenable number.

12536545 is a deficient number, since it is larger than the sum of its proper divisors (5024543).

12536545 is an equidigital number, since it uses as much as digits as its factorization.

12536545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7680.

The product of its digits is 18000, while the sum is 31.

The square root of 12536545 is about 3540.6983774391. The cubic root of 12536545 is about 232.3053907805.

The spelling of 12536545 in words is "twelve million, five hundred thirty-six thousand, five hundred forty-five".