12675257 has 4 divisors (see below), whose sum is σ = 14486016. Its totient is φ = 10864500.

The previous prime is 12675253. The next prime is 12675259. The reversal of 12675257 is 75257621.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 75257621 = 199 ⋅378179.

It is a cyclic number.

It is not a de Polignac number, because 12675257 - 2² = 12675253 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12675253) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 905369 + ... + 905382.

It is an arithmetic number, because the mean of its divisors is an integer number (3621504).

Almost surely, 2^12675257 is an apocalyptic number.

It is an amenable number.

12675257 is a deficient number, since it is larger than the sum of its proper divisors (1810759).

12675257 is an equidigital number, since it uses as much as digits as its factorization.

12675257 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1810758.

The product of its digits is 29400, while the sum is 35.

The square root of 12675257 is about 3560.2327171127. The cubic root of 12675257 is about 233.1590396811.

The spelling of 12675257 in words is "twelve million, six hundred seventy-five thousand, two hundred fifty-seven".