1349217 has 10 divisors (see below), whose sum is σ = 2015618. Its totient is φ = 899424.

The previous prime is 1349207. The next prime is 1349219. The reversal of 1349217 is 7129431.

It can be written as a sum of positive squares in only one way, i.e., 1347921 + 1296 = 1161^2 + 36^2 .

It is not a de Polignac number, because 1349217 - 2⁸ = 1348961 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1349219) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8248 + ... + 8409.

2^1349217 is an apocalyptic number.

It is an amenable number.

1349217 is a deficient number, since it is larger than the sum of its proper divisors (666401).

1349217 is an equidigital number, since it uses as much as digits as its factorization.

1349217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16669 (or 16660 counting only the distinct ones).

The product of its digits is 1512, while the sum is 27.

The square root of 1349217 is about 1161.5580054392. The cubic root of 1349217 is about 110.4995734442.

The spelling of 1349217 in words is "one million, three hundred forty-nine thousand, two hundred seventeen".