1345505 has 16 divisors (see below), whose sum is σ = 1896960. Its totient is φ = 896832.

The previous prime is 1345481. The next prime is 1345507. The reversal of 1345505 is 5055431.

It is a cyclic number.

It is not a de Polignac number, because 1345505 - 2⁶ = 1345441 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1345507) 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, 776 + ... + 1814.

It is an arithmetic number, because the mean of its divisors is an integer number (118560).

2^1345505 is an apocalyptic number.

It is an amenable number.

1345505 is a deficient number, since it is larger than the sum of its proper divisors (551455).

1345505 is a wasteful number, since it uses less digits than its factorization.

1345505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1088.

The product of its (nonzero) digits is 1500, while the sum is 23.

The square root of 1345505 is about 1159.9590510014. The cubic root of 1345505 is about 110.3981439599.

The spelling of 1345505 in words is "one million, three hundred forty-five thousand, five hundred five".