1343865 has 8 divisors (see below), whose sum is σ = 2150208. Its totient is φ = 716720.

The previous prime is 1343863. The next prime is 1343873. The reversal of 1343865 is 5683431.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1343865 - 2¹ = 1343863 is a prime.

1343865 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (1343863) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 44781 + ... + 44810.

It is an arithmetic number, because the mean of its divisors is an integer number (268776).

2^1343865 is an apocalyptic number.

1343865 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1343865 is a deficient number, since it is larger than the sum of its proper divisors (806343).

1343865 is an equidigital number, since it uses as much as digits as its factorization.

1343865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89599.

The product of its digits is 8640, while the sum is 30.

The square root of 1343865 is about 1159.2519139514. The cubic root of 1343865 is about 110.3532719438.

The spelling of 1343865 in words is "one million, three hundred forty-three thousand, eight hundred sixty-five".