12627217 has 4 divisors (see below), whose sum is σ = 12668656. Its totient is φ = 12585780.

The previous prime is 12627211. The next prime is 12627233. The reversal of 12627217 is 71272621.

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: 71272621 = 7 ⋅10181803.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12627217 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12627211) 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, 20259 + ... + 20872.

It is an arithmetic number, because the mean of its divisors is an integer number (3167164).

Almost surely, 2^12627217 is an apocalyptic number.

It is an amenable number.

12627217 is a deficient number, since it is larger than the sum of its proper divisors (41439).

12627217 is an equidigital number, since it uses as much as digits as its factorization.

12627217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41438.

The product of its digits is 2352, while the sum is 28.

The square root of 12627217 is about 3553.4795623445. The cubic root of 12627217 is about 232.8641044143.

Adding to 12627217 its reverse (71272621), we get a palindrome (83899838).

The spelling of 12627217 in words is "twelve million, six hundred twenty-seven thousand, two hundred seventeen".