1356017 has 4 divisors (see below), whose sum is σ = 1460340. Its totient is φ = 1251696.

The previous prime is 1356007. The next prime is 1356037. The reversal of 1356017 is 7106531.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 839056 + 516961 = 916^2 + 719^2 .

It is a cyclic number.

It is not a de Polignac number, because 1356017 - 2¹² = 1351921 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1355983 and 1356001.

It is not an unprimeable number, because it can be changed into a prime (1356007) 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, 52142 + ... + 52167.

It is an arithmetic number, because the mean of its divisors is an integer number (365085).

2^1356017 is an apocalyptic number.

It is an amenable number.

1356017 is a deficient number, since it is larger than the sum of its proper divisors (104323).

1356017 is a wasteful number, since it uses less digits than its factorization.

1356017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104322.

The product of its (nonzero) digits is 630, while the sum is 23.

The square root of 1356017 is about 1164.4814296501. The cubic root of 1356017 is about 110.6849002633.

The spelling of 1356017 in words is "one million, three hundred fifty-six thousand, seventeen".