1343381 has 6 divisors (see below), whose sum is σ = 1454850. Its totient is φ = 1239888.

The previous prime is 1343369. The next prime is 1343383. The reversal of 1343381 is 1833431.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 100 + 1343281 = 10^2 + 1159^2 .

It is not a de Polignac number, because 1343381 - 2⁶ = 1343317 is a prime.

It is a super-2 number, since 2×1343381² = 3609345022322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1343383) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3806 + ... + 4143.

It is an arithmetic number, because the mean of its divisors is an integer number (242475).

2^1343381 is an apocalyptic number.

It is an amenable number.

1343381 is a deficient number, since it is larger than the sum of its proper divisors (111469).

1343381 is an equidigital number, since it uses as much as digits as its factorization.

1343381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7975 (or 7962 counting only the distinct ones).

The product of its digits is 864, while the sum is 23.

The square root of 1343381 is about 1159.0431398356. The cubic root of 1343381 is about 110.3400222506.

The spelling of 1343381 in words is "one million, three hundred forty-three thousand, three hundred eighty-one".