1343881 has 16 divisors (see below), whose sum is σ = 1732608. Its totient is φ = 1011600.

The previous prime is 1343873. The next prime is 1343887. The reversal of 1343881 is 1883431.

It is a cyclic number.

It is not a de Polignac number, because 1343881 - 2³ = 1343873 is a prime.

It is a super-2 number, since 2×1343881² = 3612032284322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1343887) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2106 + ... + 2668.

It is an arithmetic number, because the mean of its divisors is an integer number (108288).

2^1343881 is an apocalyptic number.

1343881 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

1343881 is a deficient number, since it is larger than the sum of its proper divisors (388727).

1343881 is a wasteful number, since it uses less digits than its factorization.

1343881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 612.

The product of its digits is 2304, while the sum is 28.

The square root of 1343881 is about 1159.2588149331. The cubic root of 1343881 is about 110.3537098958.

The spelling of 1343881 in words is "one million, three hundred forty-three thousand, eight hundred eighty-one".