12541566 has 16 divisors (see below), whose sum is σ = 25401600. Its totient is φ = 4127448.

The previous prime is 12541561. The next prime is 12541567. The reversal of 12541566 is 66514521.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12541561) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12756 + ... + 13703.

It is an arithmetic number, because the mean of its divisors is an integer number (1587600).

Almost surely, 2^12541566 is an apocalyptic number.

12541566 is an abundant number, since it is smaller than the sum of its proper divisors (12860034).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

12541566 is a wasteful number, since it uses less digits than its factorization.

12541566 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26543.

The product of its digits is 7200, while the sum is 30.

The square root of 12541566 is about 3541.4073473691. The cubic root of 12541566 is about 232.3364001131.

The spelling of 12541566 in words is "twelve million, five hundred forty-one thousand, five hundred sixty-six".