12675217 has 4 divisors (see below), whose sum is σ = 13420836. Its totient is φ = 11929600.

The previous prime is 12675211. The next prime is 12675227. The reversal of 12675217 is 71257621.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 71257621 = 101 ⋅705521.

It can be written as a sum of positive squares in 2 ways, for example, as 3530641 + 9144576 = 1879^2 + 3024^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12675217 is a prime.

It is a super-3 number, since 3×12675217³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12675211) 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, 372784 + ... + 372817.

It is an arithmetic number, because the mean of its divisors is an integer number (3355209).

Almost surely, 2^12675217 is an apocalyptic number.

12675217 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

It is an amenable number.

12675217 is a deficient number, since it is larger than the sum of its proper divisors (745619).

12675217 is an equidigital number, since it uses as much as digits as its factorization.

12675217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 745618.

The product of its digits is 5880, while the sum is 31.

The square root of 12675217 is about 3560.2270994980. The cubic root of 12675217 is about 233.1587944166.

The spelling of 12675217 in words is "twelve million, six hundred seventy-five thousand, two hundred seventeen".