1182397 has 2 divisors, whose sum is σ = 1182398. Its totient is φ = 1182396.

The previous prime is 1182383. The next prime is 1182403. The reversal of 1182397 is 7932811.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 799236 + 383161 = 894^2 + 619^2 .

It is an emirp because it is prime and its reverse (7932811) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1182397 is a prime.

1182397 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1182347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 591198 + 591199.

It is an arithmetic number, because the mean of its divisors is an integer number (591199).

2^1182397 is an apocalyptic number.

It is an amenable number.

1182397 is a deficient number, since it is larger than the sum of its proper divisors (1).

1182397 is an equidigital number, since it uses as much as digits as its factorization.

1182397 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3024, while the sum is 31.

The square root of 1182397 is about 1087.3807980648. The cubic root of 1182397 is about 105.7436847345.

The spelling of 1182397 in words is "one million, one hundred eighty-two thousand, three hundred ninety-seven".