1343659 has 4 divisors (see below), whose sum is σ = 1346760. Its totient is φ = 1340560.

The previous prime is 1343653. The next prime is 1343669. The reversal of 1343659 is 9563431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9563431 = 1987 ⋅4813.

It is a cyclic number.

It is not a de Polignac number, because 1343659 - 2³ = 1343651 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1343659.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343651) 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, 769 + ... + 1810.

It is an arithmetic number, because the mean of its divisors is an integer number (336690).

2^1343659 is an apocalyptic number.

1343659 is a deficient number, since it is larger than the sum of its proper divisors (3101).

1343659 is an equidigital number, since it uses as much as digits as its factorization.

1343659 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3100.

The product of its digits is 9720, while the sum is 31.

The square root of 1343659 is about 1159.1630601430. The cubic root of 1343659 is about 110.3476330005.

It can be divided in two parts, 1343 and 659, that added together give a palindrome (2002).

The spelling of 1343659 in words is "one million, three hundred forty-three thousand, six hundred fifty-nine".