12544105 has 16 divisors (see below), whose sum is σ = 17400960. Its totient is φ = 8502912.

The previous prime is 12544097. The next prime is 12544109. The reversal of 12544105 is 50144521.

It is a cyclic number.

It is not a de Polignac number, because 12544105 - 2³ = 12544097 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12544109) 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, 1102 + ... + 5128.

It is an arithmetic number, because the mean of its divisors is an integer number (1087560).

Almost surely, 2^12544105 is an apocalyptic number.

It is an amenable number.

12544105 is a deficient number, since it is larger than the sum of its proper divisors (4856855).

12544105 is an equidigital number, since it uses as much as digits as its factorization.

12544105 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4128.

The product of its (nonzero) digits is 800, while the sum is 22.

The square root of 12544105 is about 3541.7658025341. The cubic root of 12544105 is about 232.3520776427.

Adding to 12544105 its reverse (50144521), we get a palindrome (62688626).

The spelling of 12544105 in words is "twelve million, five hundred forty-four thousand, one hundred five".