1306335 has 16 divisors (see below), whose sum is σ = 2120544. Its totient is φ = 686592.

The previous prime is 1306313. The next prime is 1306339. The reversal of 1306335 is 5336031.

It is not a de Polignac number, because 1306335 - 2⁹ = 1305823 is a prime.

It is a super-2 number, since 2×1306335² = 3413022264450, which contains 22 as substring.

1306335 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1306339) 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, 499 + ... + 1691.

It is an arithmetic number, because the mean of its divisors is an integer number (132534).

2^1306335 is an apocalyptic number.

1306335 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

1306335 is a deficient number, since it is larger than the sum of its proper divisors (814209).

1306335 is a wasteful number, since it uses less digits than its factorization.

1306335 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1274.

The product of its (nonzero) digits is 810, while the sum is 21.

The square root of 1306335 is about 1142.9501301457. The cubic root of 1306335 is about 109.3162824970.

The spelling of 1306335 in words is "one million, three hundred six thousand, three hundred thirty-five".