1356197 has 2 divisors, whose sum is σ = 1356198. Its totient is φ = 1356196.

The previous prime is 1356181. The next prime is 1356221. The reversal of 1356197 is 7916531.

1356197 is nontrivially palindromic in base 2.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1079521 + 276676 = 1039^2 + 526^2 .

1356197 is a truncatable prime.

It is a cyclic number.

It is not a de Polignac number, because 1356197 - 2⁴ = 1356181 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1356167) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 678098 + 678099.

It is an arithmetic number, because the mean of its divisors is an integer number (678099).

2^1356197 is an apocalyptic number.

It is an amenable number.

1356197 is a deficient number, since it is larger than the sum of its proper divisors (1).

1356197 is an equidigital number, since it uses as much as digits as its factorization.

1356197 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5670, while the sum is 32.

The square root of 1356197 is about 1164.5587147070. The cubic root of 1356197 is about 110.6897975472.

The spelling of 1356197 in words is "one million, three hundred fifty-six thousand, one hundred ninety-seven".