1342305 has 32 divisors (see below), whose sum is σ = 2440320. Its totient is φ = 699840.

The previous prime is 1342291. The next prime is 1342333. The reversal of 1342305 is 5032431.

It is not a de Polignac number, because 1342305 - 2⁶ = 1342241 is a prime.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 8154 + ... + 8316.

It is an arithmetic number, because the mean of its divisors is an integer number (76260).

2^1342305 is an apocalyptic number.

1342305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1342305 is a deficient number, since it is larger than the sum of its proper divisors (1098015).

1342305 is a wasteful number, since it uses less digits than its factorization.

1342305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238 (or 232 counting only the distinct ones).

The product of its (nonzero) digits is 360, while the sum is 18.

The square root of 1342305 is about 1158.5788708586. The cubic root of 1342305 is about 110.3105549149.

Adding to 1342305 its reverse (5032431), we get a palindrome (6374736).

The spelling of 1342305 in words is "one million, three hundred forty-two thousand, three hundred five".