1306365 has 32 divisors (see below), whose sum is σ = 2280960. Its totient is φ = 635904.

The previous prime is 1306351. The next prime is 1306367. The reversal of 1306365 is 5636031.

It is not a de Polignac number, because 1306365 - 2⁷ = 1306237 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306367) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 11931 + ... + 12039.

It is an arithmetic number, because the mean of its divisors is an integer number (71280).

2^1306365 is an apocalyptic number.

1306365 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1306365 is a deficient number, since it is larger than the sum of its proper divisors (974595).

1306365 is a wasteful number, since it uses less digits than its factorization.

1306365 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 181.

The product of its (nonzero) digits is 1620, while the sum is 24.

The square root of 1306365 is about 1142.9632540025. The cubic root of 1306365 is about 109.3171193072.

The spelling of 1306365 in words is "one million, three hundred six thousand, three hundred sixty-five".