12532549 has 4 divisors (see below), whose sum is σ = 12596364. Its totient is φ = 12468736.

The previous prime is 12532543. The next prime is 12532561. The reversal of 12532549 is 94523521.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 10336225 + 2196324 = 3215^2 + 1482^2 .

It is a cyclic number.

It is not a de Polignac number, because 12532549 - 2⁵ = 12532517 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 12532549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12532543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 31612 + ... + 32005.

It is an arithmetic number, because the mean of its divisors is an integer number (3149091).

Almost surely, 2^12532549 is an apocalyptic number.

It is an amenable number.

12532549 is a deficient number, since it is larger than the sum of its proper divisors (63815).

12532549 is an equidigital number, since it uses as much as digits as its factorization.

12532549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63814.

The product of its digits is 10800, while the sum is 31.

The square root of 12532549 is about 3540.1340370105. The cubic root of 12532549 is about 232.2807058562.

The spelling of 12532549 in words is "twelve million, five hundred thirty-two thousand, five hundred forty-nine".