1365345 has 12 divisors (see below), whose sum is σ = 2366676. Its totient is φ = 728160.

The previous prime is 1365313. The next prime is 1365347. The reversal of 1365345 is 5435631.

1365345 is a `hidden beast` number, since 1 + 3 + 653 + 4 + 5 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 349281 + 1016064 = 591^2 + 1008^2 .

It is not a de Polignac number, because 1365345 - 2⁵ = 1365313 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1365347) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15126 + ... + 15215.

It is an arithmetic number, because the mean of its divisors is an integer number (197223).

2^1365345 is an apocalyptic number.

1365345 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1365345 is a deficient number, since it is larger than the sum of its proper divisors (1001331).

1365345 is a wasteful number, since it uses less digits than its factorization.

1365345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30352 (or 30349 counting only the distinct ones).

The product of its digits is 5400, while the sum is 27.

The square root of 1365345 is about 1168.4797815966. The cubic root of 1365345 is about 110.9381198802.

The spelling of 1365345 in words is "one million, three hundred sixty-five thousand, three hundred forty-five".