1356516 has 54 divisors (see below), whose sum is σ = 3993990. Its totient is φ = 387072.

The previous prime is 1356503. The next prime is 1356539. The reversal of 1356516 is 6156531.

It is a happy number.

1356516 is a `hidden beast` number, since 1 + 3 + 5 + 651 + 6 = 666.

It can be written as a sum of positive squares in only one way, i.e., 1102500 + 254016 = 1050^2 + 504^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1356516.

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1380 + ... + 2148.

2^1356516 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1356516, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1996995).

1356516 is an abundant number, since it is smaller than the sum of its proper divisors (2637474).

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

1356516 is a wasteful number, since it uses less digits than its factorization.

1356516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 793 (or 781 counting only the distinct ones).

The product of its digits is 2700, while the sum is 27.

The square root of 1356516 is about 1164.6956684044. The cubic root of 1356516 is about 110.6984755582.

The spelling of 1356516 in words is "one million, three hundred fifty-six thousand, five hundred sixteen".