1341689 has 2 divisors, whose sum is σ = 1341690. Its totient is φ = 1341688.

The previous prime is 1341677. The next prime is 1341701. The reversal of 1341689 is 9861431.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (1341677) and next prime (1341701).

It can be written as a sum of positive squares in only one way, i.e., 1123600 + 218089 = 1060^2 + 467^2 .

It is an emirp because it is prime and its reverse (9861431) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1341689 - 2⁸ = 1341433 is a prime.

It is a super-3 number, since 3×1341689³ = 7245641333869997307, which contains 333 as substring.

It is not a weakly prime, because it can be changed into another prime (1341619) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670844 + 670845.

It is an arithmetic number, because the mean of its divisors is an integer number (670845).

2^1341689 is an apocalyptic number.

It is an amenable number.

1341689 is a deficient number, since it is larger than the sum of its proper divisors (1).

1341689 is an equidigital number, since it uses as much as digits as its factorization.

1341689 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5184, while the sum is 32.

The square root of 1341689 is about 1158.3129974234. The cubic root of 1341689 is about 110.2936780504.

The spelling of 1341689 in words is "one million, three hundred forty-one thousand, six hundred eighty-nine".