12534544 has 40 divisors (see below), whose sum is σ = 26694720. Its totient is φ = 5654400.

The previous prime is 12534539. The next prime is 12534551. The reversal of 12534544 is 44543521.

It is a super-2 number, since 2×12534544² = 314229586575872, which contains 22 as substring.

It is a Smith number, since the sum of its digits (28) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

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 in 7 ways as a sum of consecutive naturals, for example, 40149 + ... + 40459.

It is an arithmetic number, because the mean of its divisors is an integer number (667368).

Almost surely, 2^12534544 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 12534544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13347360).

12534544 is an abundant number, since it is smaller than the sum of its proper divisors (14160176).

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

12534544 is a wasteful number, since it uses less digits than its factorization.

12534544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 559 (or 553 counting only the distinct ones).

The product of its digits is 9600, while the sum is 28.

The square root of 12534544 is about 3540.4157947902. The cubic root of 12534544 is about 232.2930304419.

The spelling of 12534544 in words is "twelve million, five hundred thirty-four thousand, five hundred forty-four".