12047527 has 4 divisors (see below), whose sum is σ = 12080200. Its totient is φ = 12014856.

The previous prime is 12047513. The next prime is 12047531. The reversal of 12047527 is 72574021.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 72574021 = 13 ⋅5582617.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12047527 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 12047495 and 12047504.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12047227) 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, 15777 + ... + 16522.

It is an arithmetic number, because the mean of its divisors is an integer number (3020050).

Almost surely, 2^12047527 is an apocalyptic number.

12047527 is a deficient number, since it is larger than the sum of its proper divisors (32673).

12047527 is an equidigital number, since it uses as much as digits as its factorization.

12047527 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32672.

The product of its (nonzero) digits is 3920, while the sum is 28.

The square root of 12047527 is about 3470.9547677836. The cubic root of 12047527 is about 229.2446994355.

The spelling of 12047527 in words is "twelve million, forty-seven thousand, five hundred twenty-seven".