12532505 has 4 divisors (see below), whose sum is σ = 15039012. Its totient is φ = 10026000.

The previous prime is 12532477. The next prime is 12532517. The reversal of 12532505 is 50523521.

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 3193369 + 9339136 = 1787^2 + 3056^2 .

It is not a de Polignac number, because 12532505 - 2¹² = 12528409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1253246 + ... + 1253255.

It is an arithmetic number, because the mean of its divisors is an integer number (3759753).

Almost surely, 2^12532505 is an apocalyptic number.

It is an amenable number.

12532505 is a deficient number, since it is larger than the sum of its proper divisors (2506507).

12532505 is an equidigital number, since it uses as much as digits as its factorization.

12532505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2506506.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 12532505 is about 3540.1278225510. The cubic root of 12532505 is about 232.2804340211.

It can be divided in two parts, 1253 and 2505, that multiplied together give a triangular number (3138765 = T₂₅₀₅).

The spelling of 12532505 in words is "twelve million, five hundred thirty-two thousand, five hundred five".