1345305 has 16 divisors (see below), whose sum is σ = 2318400. Its totient is φ = 662208.

The previous prime is 1345303. The next prime is 1345343. The reversal of 1345305 is 5035431.

It is not a de Polignac number, because 1345305 - 2¹ = 1345303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1345301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3255 + ... + 3644.

It is an arithmetic number, because the mean of its divisors is an integer number (144900).

2^1345305 is an apocalyptic number.

1345305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1345305 is a deficient number, since it is larger than the sum of its proper divisors (973095).

1345305 is a wasteful number, since it uses less digits than its factorization.

1345305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6920.

The product of its (nonzero) digits is 900, while the sum is 21.

The square root of 1345305 is about 1159.8728378577. The cubic root of 1345305 is about 110.3926737157.

The spelling of 1345305 in words is "one million, three hundred forty-five thousand, three hundred five".