12527285 has 4 divisors (see below), whose sum is σ = 15032748. Its totient is φ = 10021824.

The previous prime is 12527279. The next prime is 12527297. The reversal of 12527285 is 58272521.

It is a happy number.

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 7761796 + 4765489 = 2786^2 + 2183^2 .

It is a cyclic number.

It is not a de Polignac number, because 12527285 - 2⁴ = 12527269 is a prime.

It is a super-4 number, since 4×12527285⁴ (a number of 29 digits) contains 4444 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent 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, 1252724 + ... + 1252733.

It is an arithmetic number, because the mean of its divisors is an integer number (3758187).

Almost surely, 2^12527285 is an apocalyptic number.

It is an amenable number.

12527285 is a deficient number, since it is larger than the sum of its proper divisors (2505463).

12527285 is an equidigital number, since it uses as much as digits as its factorization.

12527285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2505462.

The product of its digits is 11200, while the sum is 32.

The square root of 12527285 is about 3539.3904842501. The cubic root of 12527285 is about 232.2481799679.

The spelling of 12527285 in words is "twelve million, five hundred twenty-seven thousand, two hundred eighty-five".