12532145 has 16 divisors (see below), whose sum is σ = 16190928. Its totient is φ = 9277440.

The previous prime is 12532123. The next prime is 12532151. The reversal of 12532145 is 54123521.

It can be written as a sum of positive squares in 8 ways, for example, as 92416 + 12439729 = 304^2 + 3527^2 .

It is not a de Polignac number, because 12532145 - 2⁸ = 12531889 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 12532145.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3977 + ... + 6393.

It is an arithmetic number, because the mean of its divisors is an integer number (1011933).

Almost surely, 2^12532145 is an apocalyptic number.

It is an amenable number.

12532145 is a deficient number, since it is larger than the sum of its proper divisors (3658783).

12532145 is a wasteful number, since it uses less digits than its factorization.

12532145 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2500.

The product of its digits is 1200, while the sum is 23.

The square root of 12532145 is about 3540.0769765642. The cubic root of 12532145 is about 232.2782098912.

Adding to 12532145 its reverse (54123521), we get a palindrome (66655666).

The spelling of 12532145 in words is "twelve million, five hundred thirty-two thousand, one hundred forty-five".