1282217 has 4 divisors (see below), whose sum is σ = 1312080. Its totient is φ = 1252356.

The previous prime is 1282213. The next prime is 1282231. The reversal of 1282217 is 7122821.

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.

It is a cyclic number.

It is not a de Polignac number, because 1282217 - 2² = 1282213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1282192 and 1282201.

It is not an unprimeable number, because it can be changed into a prime (1282213) 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, 14867 + ... + 14952.

It is an arithmetic number, because the mean of its divisors is an integer number (328020).

2^1282217 is an apocalyptic number.

It is an amenable number.

1282217 is a deficient number, since it is larger than the sum of its proper divisors (29863).

1282217 is an equidigital number, since it uses as much as digits as its factorization.

1282217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29862.

The product of its digits is 448, while the sum is 23.

The square root of 1282217 is about 1132.3502108447. The cubic root of 1282217 is about 108.6393545890.

The spelling of 1282217 in words is "one million, two hundred eighty-two thousand, two hundred seventeen".