12427265 has 4 divisors (see below), whose sum is σ = 14912724. Its totient is φ = 9941808.

The previous prime is 12427237. The next prime is 12427277. The reversal of 12427265 is 56272421.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 56272421 = 23 ⋅2446627.

It can be written as a sum of positive squares in 2 ways, for example, as 2835856 + 9591409 = 1684^2 + 3097^2 .

It is a cyclic number.

It is not a de Polignac number, because 12427265 - 2¹⁰ = 12426241 is a prime.

It is a Duffinian 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, 1242722 + ... + 1242731.

It is an arithmetic number, because the mean of its divisors is an integer number (3728181).

It is a Proth number, since it is equal to 1517 ⋅ 2¹³ + 1 and 1517 < 2¹³.

Almost surely, 2^12427265 is an apocalyptic number.

It is an amenable number.

12427265 is a deficient number, since it is larger than the sum of its proper divisors (2485459).

12427265 is an equidigital number, since it uses as much as digits as its factorization.

12427265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2485458.

The product of its digits is 6720, while the sum is 29.

The square root of 12427265 is about 3525.2326164382. The cubic root of 12427265 is about 231.6284244681.

Adding to 12427265 its reverse (56272421), we get a palindrome (68699686).

The spelling of 12427265 in words is "twelve million, four hundred twenty-seven thousand, two hundred sixty-five".