1356306 has 32 divisors (see below), whose sum is σ = 3176448. Its totient is φ = 378000.

The previous prime is 1356269. The next prime is 1356319. The reversal of 1356306 is 6036531.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1431 + ... + 2181.

It is an arithmetic number, because the mean of its divisors is an integer number (99264).

2^1356306 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1356306, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1588224).

1356306 is an abundant number, since it is smaller than the sum of its proper divisors (1820142).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1356306 is a wasteful number, since it uses less digits than its factorization.

1356306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 806.

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

The square root of 1356306 is about 1164.6055126093. The cubic root of 1356306 is about 110.6927629140.

It can be divided in two parts, 135 and 6306, that added together give a triangular number (6441 = T₁₁₃).

The spelling of 1356306 in words is "one million, three hundred fifty-six thousand, three hundred six".